Published in The Wilson Bulletin, in 1974, in volume 86, issue 4, pages 397-406
Created: 2016-11-27, modified: 2016-11-27![](https://www.biodiversitylibrary.org/pagethumb/34645993,60,60)
Published in Proceedings of The Biological Society of Washington, in 1988, in volume 101, pages 308
Created: 2011-06-10, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/34646491,60,60)
Published in Proceedings of The Biological Society of Washington, in 1988, in volume 101, pages 794-808
Created: 2011-06-10, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/34560221,60,60)
Published in Proceedings of The Biological Society of Washington, in 1973, in volume 86, pages 79-103
Created: 2011-07-31, modified: 2011-07-31![](https://www.biodiversitylibrary.org/pagethumb/34551122,60,60)
Published in Proceedings of The Biological Society of Washington, in 1989, in volume 102, pages 738-741
Created: 2011-06-10, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/32860174,60,60)
Published in Rhodora, in 1991, in volume 93, issue 876, pages 361-389
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/34605836,60,60)
Published in Proceedings of The Biological Society of Washington, in 1968, in volume 81, pages 291-318
Created: 2011-07-31, modified: 2011-07-31![](https://www.biodiversitylibrary.org/pagethumb/51314492,60,60)
Published in Journal of Raptor Research, in 1993, in volume 27, issue 3, pages 154-160
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/51328622,60,60)
Published in Journal of Raptor Research, in 2000, in volume 34, issue 2, pages 133-136
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/15934992,60,60)
Published in The Auk, in 1918, in volume 35, pages 359-360
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/34601743,60,60)
Published in Proceedings of The Biological Society of Washington, in 1978, in volume 91, pages 472-483
Created: 2011-06-10, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/34642373,60,60)
Published in Proceedings of The Biological Society of Washington, in 1984, in volume 97, pages 544-549
Created: 2011-06-10, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/51318830,60,60)
Published in Journal of Raptor Research, in 1990, in volume 24, issue 3, pages 59-63
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/15913061,60,60)
Published in The Auk, in 1917, in volume 34, pages 456-457
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/15938580,60,60)
Published in The Auk, in 1920, in volume 37, pages 103-104
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/562521,60,60)
Published in Rhodora, in 1904, in volume 6, issue 71, pages 228
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/51320328,60,60)
Published in Journal of Raptor Research, in 1987, in volume 21, issue 3, pages 120-121
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/53446564,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-5
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/34596151,60,60)
Published in Proceedings of The Biological Society of Washington, in 1986, in volume 99, pages 676-702
Created: 2011-06-10, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/16019386,60,60)
Published in The Auk, in 1914, in volume 31, pages 212-235
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/561912,60,60)
Published in Rhodora, in 1902, in volume 4, issue 47, pages 217
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/34607186,60,60)
Published in Proceedings of The Biological Society of Washington, in 1981, in volume 94, pages 675-695
Created: 2011-06-10, modified: 2011-10-03![](https://www.biodiversitylibrary.org/pagethumb/34672740,60,60)
Published in Proceedings of The Biological Society of Washington, in 1974, in volume 87, pages 57-72
Created: 2011-06-10, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/53446432,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-8
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446440,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-5
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446445,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-4
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446575,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-6
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446581,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-6
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446587,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-6
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446593,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-6
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446599,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446602,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-8
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446610,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446620,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-9
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446629,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-12
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446641,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-6
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446647,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446650,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-8
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446658,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-6
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446664,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-6
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446670,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446673,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446676,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-6
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446682,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-8
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446690,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-3
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446693,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-5
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446704,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-5
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446709,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-5
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446714,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-5
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53446719,60,60)
Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-3
Created: 2017-06-24, modified: 2017-06-24