Functions of a Complex Variable

Analytic Functions of a Complex Variable. by David Raymond. Curtiss

Analytic Functions of a Complex Variable by David Raymond Curtiss

Functions of Real Variables by William Fogg Osgood

Functions of a complex variable by E.G. Phillips

Advanced Calculus, by William F. Osgood 1944

SNOWSHOE BOOK By William Osgood & Leslie Hurley; 1971, Stephen Green Press; PB

Basics of successful business planning by William R. Osgood