May, Earl Chapin, 1873-1960. The circus from Rome to Ringling. [electronic resource] / With an introd. by Leonard V. Farley.. — New York, : Dover Publications, [1963]. — 332 p. : illus. 22 cm. "T103." LCCN: 63005610 Subjects--Topical Terms: Circus.Circus. LC Class. No.: GV1801 / .M3 1963 Dewey Class. No.: 791.309