| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Act Preparation Guide | 978-0-8220-2004-2 | 1979 | Jerry Bobrow · William A. Covino |
| Barron's Pass Key to the Lsat: Law School Admission Test | 978-0-7641-0468-8 | 1999 | Jerry Bobrow · William A. Covino · Daniel C. Spencer · Merritt L. Weisinger |
| Calculus | 978-0-470-15435-9 | 2007 | Saturnino L. Salas · Einar Hille · Garrett J. Etgen |
| Changing United Nations: Options for the United States | 978-0-03-043706-9 | 1978 | |
| CliffsAP Statistics | 978-0-7645-7313-2 | 2004 | |
| Cliffs Enhanced American College Testing Preparation Guide | 978-0-8220-2068-4 | 1989 | Jerry Bobrow · William A. Covino · Harold Nathan |
| Cliff's Graduate Record Examination General Test: Preparation Guide | 978-0-8220-2064-6 | 1992 | William A. Covino · Bernard V. Zandy |
| Cliffs GRE Preparation Guide: Greaduate Record Examination: General Test | 978-0-8220-2008-0 | 1986 | William A Covino · Bernard V. Zandy |
| Cliffsquickreview Trigonometry | 978-0-7645-2393-9 | 2001 | |
| CliffsQuickReview Trigonometry | 978-0-7645-6389-8 | 2001 | |
| CliffsQuickReview Trigonometry | 978-0-8220-5358-3 | 1994 | |
| CliffsTestPrep ACT | 978-0-7645-9935-4 | 2005 | Jerry Bobrow Ph.D. · William A. Covino · Harold D. Nathan |
| Cliffstestprep Act | 978-0-7645-8613-2 | 2000 | Jerry Bobrow · William A. Covino · Harold Nathan |
| CliffsTestPrep ACT | 978-0-8220-2078-3 | 1979 | Jerry Bobrow · William A. Covino · Harold Nathan |
| CliffsTestPrep GMAT CAT | 978-0-8220-2062-2 | 1980 | Jerry Bobrow · William A. Covino · Peter Z. Orton · Harold Nathan · Dale Johnson |
A. K. · A. Kay · D.A. · D.K · D. Kay · David A. · David & Kay, & Daphne Swann. Canter · David K. · David Kay
Barrons Educational Series · Cliffs Notes · Holt McDougal · John Wiley & Sons · Wiley