Beal, William J. to J. Gray Dec. 7, 1901Published in Asa Gray correspondence. Senders Be-Bo, in 1901, pages 1Bureau, L. Édouard May 7, 1901Published in Asa Gray correspondence. Senders Br-Bz, in 1901, pages 1-2Bureau, L. Édouard Nov. 22, 1901Published in Asa Gray correspondence. Senders Br-Bz, in 1901, pages 1
Bureau, L. Édouard May 7, 1901Published in Asa Gray correspondence. Senders Br-Bz, in 1901, pages 1-2Bureau, L. Édouard Nov. 22, 1901Published in Asa Gray correspondence. Senders Br-Bz, in 1901, pages 1
Bureau, L. Édouard Nov. 22, 1901Published in Asa Gray correspondence. Senders Br-Bz, in 1901, pages 1