| Answer | Crossword Clue |
|---|---|
| SECRET | Unknown to many |
| AGOD | Steinbeck's "To ... Unknown" |
| NAMELESS | Unknown to fame. |
| AGOD | "To ... Unknown" (Steinbeck novel) |
| DOE | Surname assigned to an unknown |
| DOE | Surname ascribed to an unknown |
| IVANWHO | Tribute to an unknown Russian hero? |
| BIRTHMOTHER | Her identity may be unknown to an adoptee |
| MIROS | "The Birth of the World" and "The Beautiful Bird Revealing the Unknown to a Pair of Lovers," e.g. |
