Published in Asa Gray correspondence. Senders Br-Bz, in 1861, pages 1-2
Published in Asa Gray correspondence : letters from Asa Gray to various individuals, 1838-1931 (inclusive), 1838-1888 (bulk), in 1861, pages 1-3
Published in Asa Gray correspondence. Senders A, in 1861, pages 1-2
Published in Asa Gray correspondence. Senders A, in 1861, pages 1-2
Published in Alphonse de Candolle letters to Asa Gray, 1860-1890, in 1861, pages 1-2
Published in Asa Gray correspondence. Senders Be-Bo, in 1861, pages 1-2
Published in Asa Gray correspondence. Senders Be-Bo, in 1861, pages 1-2
Published in Asa Gray correspondence. Senders B-Ba, in 1861, pages 1-2
Published in Asa Gray correspondence. Senders Ca-Cl, in 1861, pages 1-2
Published in John Carey letters to Asa Gray, 1837-2201, in 1861, pages 1-3
Published in Asa Gray correspondence. Senders Li-Ly, 1839-1891 (inclusive), in 1861, pages 1
Published in Asa Gray correspondence. Senders Ha, 1835-1895 (inclusive), in 1861, pages 1-2
Published in Asa Gray correspondence. Senders Ha, 1835-1895 (inclusive), in 1861, pages 1-2
Published in Asa Gray correspondence. Senders La-Le, 1833-1897 (inclusive), in 1861, pages 1-2
Published in Asa Gray correspondence : official correspondence, and correspondence of Jane Gray, 1838-1895, in 1861, pages 1
Published in George Bentham letters to Asa Gray, 1839-1883, in 1861, pages 1-4
Published in George Bentham letters to Asa Gray, 1839-1883, in 1861, pages 1-2
Published in George Bentham letters to Asa Gray, 1839-1883, in 1861, pages 1-2
Published in George Bentham letters to Asa Gray, 1839-1883, in 1861, pages 1-4
Published in George Bentham letters to Asa Gray, 1839-1883, in 1861, pages 1-2
Published in Asa Gray correspondence. Senders Br-Bz, in 1861, pages 1-2
Published in Asa Gray correspondence. Senders Br-Bz, in 1861, pages 1-42
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1861, pages 1-0
Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1861, pages 1-0
Published in Asa Gray correspondence. Senders In-Iv, 1857-1891 (inclusive), in 1861, pages 1