- E-bookSchaum's Outline of Linear Algebra, Sixth EditionSeymour Lipschutz
- E-bookSchaum's Outline of Discrete Mathematics, Fourth EditionSeymour Lipschutz
- E-bookSchaum's Outline of Discrete Mathematics, Revised Third EditionSeymour Lipschutz
- E-bookSchaum's Outline of Probability, Third EditionSeymour Lipschutz
- E-bookSchaum's Outline of Probability, Second EditionSeymour Lipschutz