Miscellany

As defined by Dictionary.com:

–noun, plural -nies.
1.
a miscellaneous collection or group of various or somewhat unrelated items.
2.
a miscellaneous collection of literary compositions or pieces by several authors, dealing with various topics, assembled in a volume or book.
3.
miscellanies, a miscellaneous collection of articles or entries, as in a book.

i.e.
The contents of my mind