The 43 group by morris beckman
Partisanas by ingrid strubel
No retreat
The fighting ghettos
Homage to catalonia by George orwell
For whom the bell tolls by Hemingway
There are some interesting chapters on the history of german contemporary anti-fascism in "the subversion of politics", free download on the website of the writer, Google "the Eros effect"
I'll try and think of some more...
The mind is its own place, and in itself Can make a Heaven of Hell, a Hell of Heaven. What matter where, if I be still the same, And what I should be, all but less than he Whom thunder hath made greater?
Here at least We shall be free