"An Interesting Investigation", n.d. Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Hapgood family papers, 1829-2000, bulk 1900-1940…
"An Oasis in the Foreign Quarter", n.d. Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Hapgood family papers, 1829-2000, bulk 1900-1940…
"An Old American Replies to Charles Lindbergh" Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Hapgood family papers, 1829-2000, bulk 1900-1940…
"An Old-time Democrat", n.d. Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Hapgood family papers, 1829-2000, bulk 1900-1940…
"An Unusual Novelist", n.d. Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Hapgood family papers, 1829-2000, bulk 1900-1940…
"A Paris Painter", n.d. Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Hapgood family papers, 1829-2000, bulk 1900-1940…
"A Perverse Poet": typescript, n.d. Box 29, Folder 874 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Hapgood family papers, 1829-2000, bulk 1900-1940…
"A Player": printed version, n.d. Box 42, Folder 1300 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Hapgood family papers, 1829-2000, bulk 1900-1940…
"A Poetic Reminiscence", n.d. Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Hapgood family papers, 1829-2000, bulk 1900-1940…
"A Popular Novelist", n.d. Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Hapgood family papers, 1829-2000, bulk 1900-1940…