Spencer Fullerton Baird, Assistant Secretary of the Smithsonian Institution, writes four letters to George Lawrence in which he discusses the exchange of specimens with the Vienna Museum and Smithsonian, and offers his sympathy for the loss of Lawrence's brother. Transcripts included. 

Spencer Fullerton Baird, Assistant Secretary of the Smithsonian Institution, writes nine letters to George Lawrence in which he discusses the sending of small birds of the Grayson and Xantus Collections and Mexico to Lawrence, as well as the examination of Hammond's Fly-Catcher, specimens of...

Commissioner of Fish and Fisheries Spencer F. Baird writes O. M. Dorman about specimens of fish that Dorman sends from Norfolk, Virginia. "I shall be glad to have these transmissions continued" and, as Baird explains, "I hope the system of labeling the specimens by their provincial name &...

Naturalist and Smithsonian administrator Spencer Fullerton Baird writes to ornithologist Winfrid A. Stearns: "it gives me pleasure to authorize any use you desire of the material published in my work on the Birds of N. America."

Spencer Fullerton Baird, Assistant Secretary of the Smithsonian Institution, writes four letters to George Lawrence on issues that include finding a taxidermist for collection mounting as well as the exchange of specimens. Transcripts included. 

Spencer Fullerton Baird, Assistant Secretary of the Smithsonian Institution, writes five letters to George Lawrence in which he discusses ordering a gun, sending the manuscript notes and drawings of Col. Grayson to Lawrence, and sending items requested by Mr. Hague. Transcripts included. 

George Lawrence drafts two letters to Spencer Baird regarding the selection and naming of bird specimens, in addition to the details of his visit to Rhode Island. Transcripts included. 

Spencer Fullerton Baird, Assistant Secretary of the Smithsonian Institution, writes two letters to George Lawrence regarding travel plans and the weather. Transcripts included.

Assistant Secretary of the Smithsonian Institution Spencer Baird writes to George Lawrence regarding payment for the New York Herald. Baird also describes Robert Ridgway's plans for travelling to Boston and New York City.

Naturalist Spencer Fullerton Baird (Class of 1843) writes to James T. Ames, requesting specimens from Ames' emery mine for display at the Smithsonian. According to Baird, "Centuries ago, if not still earlier, you promised us a good series of specimens from your emery mine to place in the...

Assistant Secretary of the Smithsonian Institution Spencer F. Baird writes George N. Lawrence regarding a change in plans for visiting New York City. As "Mr. [Kepel's?] departure from Bremen with the fish eggs has been somewhat delayed," Baird notes that he will adjust his travel schedule...

Assistant Secretary of the Smithsonian Institution Spencer Baird writes George Lawrence regarding how to send supplies to Dr. Gideon Lincecum in Tuxpan, Mexico.