Claude E. Welch ; illustrated by Muriel McLatchie Miller1958 年出版376 页ISBN:
AMERICAN COVERNMENT NINTH EDITION
SUSAN WELCHJOHN 年出版0 页ISBN:UNITED KINGDOM UNITED STATES
TRADMARKS AND UNFAIR COMPETITION
DAVID C.HILLIARD JOSEPH NYE WELCH2012 年出版1182 页ISBN:0769847627
GILBERT M.PETER C.LEE WELCH1996 年出版626 页ISBN:0314203893