Richard Aldridge edited a book of poetry by Amherst College graduates in celebration of the 150th anniversary of the College in the 1971-1972 academic year. The book was published in 1972 with the title: "Poetry Amherst; A Sesquicentennial Anthology of Poems by Alumni of Amherst College". The papers include his working drafts, correspondence and the page proofs of the book.

This collection is organized into two series:

• 1. SUBMISSIONS AND CORRESPONDENCE, 1971-1972
• 2. MANUSCRIPTS, 1972