Library of Congress
Loc: Thomas Jefferson's Original Letters and Documents
This page from the Library of Congress provides us with links to images of original documents. These includes letters from Thomas Jefferson, holographs, and the transcript of Jefferson's "original Rough Draft" of the Declaration of...
Other
University of Maryland: Darwin Wallace Evolution Paper
A comprehensive description of the papers on Natural Selection published by both Darwin and Wallace in 1858. Includes full copy of Wallace's paper, 'On the Law which has regulated the Introduction of New Species.' Also includes...