ONE OF A KIND
Credit: LA Times Crossword
Sylvia Bursztyn and Barry Tunick   (#1-4 - adapted)

Each clue below lists one of a designated number of items in a certain category. Try to determine the category and the number of items in it. For example, given the clue MONDAY, the answer would be one of seven days of the week. (The number of the clue does not indicate the number of items in the category.)

1. Happy
2. Hearing
3. Thalia
4. Libra
5. Side
6. Santa Maria
7. Winter
8. Anne Boleyn
9. New Hampshire
10. "Thou shalt not steal."

Answers:

1. Happy - one of seven dwarfs
2. Hearing - one of five senses
3. Thalia - one of nine Muses
4. Libra - one of twelve Signs of the Zodiac
5. Side - one of two sides to every story
6. Santa Maria - one of Columbus' three ships
7. Winter - one of four seasons
8. Anne Boleyn - one of Henry VIII's six wives 
9. New Hampshire - one of Thirteen Colonies
10. "Thou shalt not steal." - one of Ten Commandments