BEIN 1977 S85 275: Light blue wrapper; series number in small type; imprint on front; 3 advertisements on back. Title-page bears original series statement, 'Ten cent pocket series.' See Papers of the Bibliographical Society of America LXIV: 29-78.
BEIN Tanselle H13 0623: In blue wrapper with 'Little blue book' series statement on cover and 'Ten cent pocket series' at head of title-page. Two advertisements on back; see Gibbs.