- Library personnel management -- Problems, exercises, etc
- Creative thinking -- Problems, exercises, etc
- English language + Punctuation -- Problems, exercises, etc
- Calculus -- Problems, exercises, etc
- Algebra -- Problems, exercises, etc
- English language -- Problems, exercises, etc
- Poetry + Authorship -- Problems, exercises, etc
- French language -- Problems, exercises, etc
- Japanese language + Study and teaching + English speakers -- Problems, exercises, etc
- Mathematics -- United States -- Problems, exercises, etc
- Intellect -- Problems, exercises, etc
- Creative ability -- Problems, exercises, etc
- English language + Rhetoric -- Problems, exercises, etc
- Nature + Mathematics -- Problems, exercises, etc -- Juvenile literature
- Numeracy -- Problems, exercises, etc
- English language -- United States -- Writing -- Problems, exercises, etc
- Lucid dreams -- Problems, exercises, etc
- Chemistry, Organic -- Problems, exercises, etc
- Rome -- Civilization -- Problems, exercises, etc
- Teaching + Aids and devices -- Problems, exercises, etc
- Italian language -- Problems, exercises, etc
- Science + Mathematics -- Problems, exercises, etc -- Juvenile literature
- Reading comprehension -- Problems, exercises, etc
- Ciphers -- Problems, exercises, etc
- Cryptography -- Problems, exercises, etc
- Listening -- Problems, exercises, etc
- Algebras, Linear -- Problems, exercises, etc
- Arithmetic -- Problems, exercises, etc
- Learning, Psychology of -- Problems, exercises, etc
- Accounting -- Problems, exercises, etc
- Language arts (Primary) -- Problems, exercises, etc
- French language + Sentences -- Problems, exercises, etc
- English language + Pronunciation -- Problems, exercises, etc
- English language + Idioms -- Problems, exercises, etc
- Narration (Rhetoric) -- Problems, exercises, etc
- Transportation + Mathematics -- Problems, exercises, etc -- Juvenile literature
- Creative writing -- Problems, exercises, etc
- Geometry -- Problems, exercises, etc -- Study guides
- Chemistry -- Problems, exercises, etc
- Charts, diagrams, etc -- Problems, exercises, etc
- English language + Terms and phrases -- Problems, exercises, etc
- English language + Usage -- Problems, exercises, etc
- Arithmetic -- Problems, exercises, etc -- Juvenile literature
- Trigonometry -- Problems, exercises, etc
- Spanish language + Grammar -- Problems, exercises, etc
- Turkish language -- Problems, exercises, etc
- Travel + Mathematics -- Problems, exercises, etc -- Juvenile literature
- French language + Composition and exercises -- Problems, exercises, etc
- English language + Verb phrase -- Problems, exercises, etc
- Persian language + Grammar -- Problems, exercises, etc