Heartman, C. F. (1942). McMurtrie imprints: A bibliography of separately printed writings by Douglas C. McMurtrie on printing and its history in the United States and elsewhere, on typography and printing practice, on type design and typefounding, on bibliography and bibliographical practice, and on a variety of historical subjects, with an appraisal of McMurtrie's work. Hattiesburg, MS: Priv. print. for the Book Farm.

Heartman, Charles Fred. McMurtrie Imprints: A Bibliography of Separately Printed Writings By Douglas C. McMurtrie On Printing and Its History in the United States and Elsewhere, On Typography and Printing Practice, On Type Design and Typefounding, On Bibliography and Bibliographical Practice, and On a Variety of Historical Subjects, With an Appraisal of McMurtrie's Work. Hattiesburg, MS: Priv. print. for the Book Farm, 1942.

Heartman, Charles Fred. McMurtrie Imprints: A Bibliography of Separately Printed Writings By Douglas C. McMurtrie On Printing and Its History in the United States and Elsewhere, On Typography and Printing Practice, On Type Design and Typefounding, On Bibliography and Bibliographical Practice, and On a Variety of Historical Subjects, With an Appraisal of McMurtrie's Work. Hattiesburg, MS: Priv. print. for the Book Farm, 1942.