- 2500 jokes to start 'em laughingRobert Orben
- 2100 Laughs for All OccasionsRobert Orben
- The joke teller's handbook, or, 1,999 belly laughsRobert Orben
- Ad-libber's handbookRobert Orben
- 2400 jokes to brighten your speechesRobert Orben
- 2000 sure-fire jokes for speakers and writersRobert Orben
- Joke Teller's HandbookRobert Orben
- The Speechwriter's Handbook of HumorRobert Orben
- The Ad Libbers Handbook 2000 New Laughs for SpeakersRobert Orben
- Speaker's handbook of humorRobert Orben
- 2,000 Sure-Fire Jokes for SpeakersRobert Orben
