Major Jeffers manuscripts can be located at the Beinecke Library of Yale University, at the Humanities Research Center, University of Texas, Austin, and at Occidental.

An Index to Robinson Jeffers's Published Poems,
Their First Appearances,
and a Directory to Their Manuscripts.
By Robert Brophy. Robinson Jeffers Newsletter, June 1988, Supplement to Number 73. 20 pages.
Available through the editor of Jeffers Studies (brophy@csulb.edu).