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Sexual Law in the Coniferæ
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1869, in volume 21, pages 121-122
Created: 2013-03-02, modified: 2013-03-02
Oct. 26th
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1869, in volume 21, pages 180
Created: 2013-03-02, modified: 2013-03-02
Report of the Ornithological Committee
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1869, in volume 21, pages 237-238
Created: 2013-03-02, modified: 2013-03-02
Correspondence of the Academy for 1869
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1869, in volume 21, pages 245-249
Created: 2013-03-02, modified: 2013-03-02