Speaker's handbook of humor Por Orben, Robert

2000 sure-fire jokes for speakers and writers the encyclopedia of one-liner comedy Por Orben, Robert

2100 laughs for all occasions Por Orben, Robert

2100 laughs for all occasions Por Orben, Robert

2,000 new laughs for speakers the ad-libbers handbook Por Orben, Robert

2000 new laughs for speakers the adlibber's handbook Por Orben, Robert

The joke-teller's handbook or 1,999 belly laughs Por Orben, Robert

2,500 jokes to start 'em laughing Por Orben, Robert