Abbott Handerson Thayer writes to Lyman Abbott about Indiana’s experience during the Civil War, praising the actions of the wartime governor Oliver P. Morton in working to investigate and prevent possible sources of treason during the war. While many people were investigated, no one was found guilty of treasonous behavior.

Collection

Library of Congress Manuscript Division

Creation Date

1911-03

Creator(s)

Thayer, Abbott Handerson, 1849-1921

Recipient

Abbott, Lyman, 1835-1922

Language

English

Period

Progressive Party Candidate (1911-1912)

Repository

Library of Congress Manuscript Division

Page Count

7

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 Albert Handerson Thayer to Lyman Abbott. [March 1911]. Library of Congress Manuscript Division.
https://www.theodorerooseveltcenter.org/digital-library/o66378. Theodore Roosevelt Digital Library. Dickinson State University.

MLA:

Thayer, Abbott Handerson, 1849-1921. Letter from Albert Handerson Thayer to Lyman Abbott. [Mar 1911]. Multi-image.
Library of Congress Manuscript Division. Theodore Roosevelt Digital Library. Dickinson State University. February 6, 2026. https://www.theodorerooseveltcenter.org/digital-library/o66378.

APA:

Thayer, Abbott Handerson, 1849-1921., [1911, March]. Letter from Albert Handerson Thayer to Lyman Abbott.
Library of Congress Manuscript Division. Theodore Roosevelt Digital Library. Dickinson State University.
Retrieved from https://www.theodorerooseveltcenter.org/digital-library/o66378.

Cite this Collection

Chicago:

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. Theodore Roosevelt Digital Library. Dickinson State University. February 6, 2026. https://www.theodorerooseveltcenter.org/collection/library-of-congress-manuscript-division.

APA:

Library of Congress Manuscript Division. Theodore Roosevelt Digital Library. Dickinson State University. Retrieved from https://www.theodorerooseveltcenter.org/collection/library-of-congress-manuscript-division.