Croy, Homer, 1883-1965. What grandpa laughed at. [electronic resource] . — [1st ed.]. — New York, : Duell, Sloan & Pearce, [1948]. — 255 p. 21 cm. LCCN: 48008841 Subjects--Topical Terms: American wit and humor. LC Class. No.: PN6161 / .C75 Dewey Class. No.: 817.082