Letter from Raymond Pearl to Theodore Roosevelt

Subject(s): Camouflage (Biology), Ornithology, Science--Experiments, Technical writing

Raymond Pearl considers Theodore Roosevelt’s latest scientific paper on “Revealing and Concealing Coloration” to be a valuable contribution to the discussion regarding the topic, and offers his own thoughts and findings based on his own experiments that might be of interest to Roosevelt.

Collection

Library of Congress Manuscript Division

Creation Date

1911-08-31

Creator(s)

Pearl, Raymond, 1879-1940

Recipient

Roosevelt, Theodore, 1858-1919

Language

English

Period

(1911-1912) Progressive Party Candidate

Repository

Library of Congress Manuscript Division

Page Count

2

Production Method

Handwritten

Record Type

Multi-image

Resource Type

Letter

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. [August 31, 1911]. Library of Congress Manuscript Division. Library of Congress Manuscript Division.
https://www.theodorerooseveltcenter.org/digital-library/o70225. Theodore Roosevelt Digital Library. Dickinson State University.

MLA:

Pearl, Raymond, 1879-1940. Letter from Raymond Pearl to Theodore Roosevelt. [31 Aug. 1911]. Multi-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/o70225.

APA:

Pearl, Raymond, 1879-1940., [1911, August 31]. 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/o70225.

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.