01081cam a2200277 4500 64402516 TxAuBib 20000112120000.0 000112s1962||||||||||||||||||||||||eng|u TxAuBib Clapesattle, Helen. The Mayo brothers / Illustrated by Karoly and Szanto. Boston : Houghton, 1962. 180 p. : illus ; 22 cm. North star books ; 33 A biography concentrating on the careers of two doctors who pioneered in the development of medical group practice through the Mayo Clinic which they founded with their father. 20000112. Mayo, Charles Horace, 1865-1939 Juvenile literature. Mayo, Charles Horace, 1865-1939. Mayo, William James, 1861-1939 Juvenile literature. Mayo, William James, 1861-1939. Physicians. Karoly, illus. Szanto, illus. North star books ; 33.