Letter from Raymond Pearl to Theodore Roosevelt
Subject(s): Animal experimentation, Birds, Etiquette, Protective coloration (Biology), Publishing
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Raymond Pearl thanks Theodore Roosevelt for his letter, agrees that his experiments don’t disprove the protective coloration theory, and says he hopes to publish more data soon.
Collection
Library of Congress Manuscript Division
Creation Date
1911-09-12
Creator(s)
Recipient
Roosevelt, Theodore, 1858-1919
Language
English
Period
(1911-1912) Progressive Party Candidate
Repository
Library of Congress Manuscript Division
Page Count
1
Production Method
Record Type
Image
Resource Type
Rights
These images are presented through a cooperative effort between the Library of Congress and Dickinson State University. No known restrictions on publication.
Citation
Cite this Record
Chicago:
Letter from Raymond Pearl to Theodore Roosevelt. [September 12, 1911]. Library of Congress Manuscript Division. Library of Congress Manuscript Division.
https://www.theodorerooseveltcenter.org/digital-library/o70485. Theodore Roosevelt Digital Library. Dickinson State University.
MLA:
Pearl, Raymond, 1879-1940. Letter from Raymond Pearl to Theodore Roosevelt. [12 Sep. 1911]. Image.
Library of Congress Manuscript Division. Library of Congress Manuscript Division.
Theodore Roosevelt Digital Library. Dickinson State University. December 19, 2025. https://www.theodorerooseveltcenter.org/digital-library/o70485.
APA:
Pearl, Raymond, 1879-1940., [1911, September 12]. Letter from Raymond Pearl to Theodore Roosevelt.
Library of Congress Manuscript Division. Library of Congress Manuscript Division.
Retrieved from https://www.theodorerooseveltcenter.org/digital-library/o70485.
Cite this Collection
Chicago:
Library of Congress Manuscript Division. Library of Congress Manuscript Division.
https://www.theodorerooseveltcenter.org/collection/library-of-congress-manuscript-division. Theodore Roosevelt Digital Library. Dickinson State University.
MLA:
Library of Congress Manuscript Division. Library of Congress Manuscript Division.
Theodore Roosevelt Digital Library. Dickinson State University. December 19, 2025. https://www.theodorerooseveltcenter.org/collection/library-of-congress-manuscript-division.
APA:
Library of Congress Manuscript Division. Library of Congress Manuscript Division.
Retrieved from https://www.theodorerooseveltcenter.org/collection/library-of-congress-manuscript-division.
