RIP NaziArchive.weebly.com
Part 1:
>Mein Kampf by Adolf Hitler
>Nazi-Sozi: Questions and Answers for National Socialists by Joseph Goebbels
>Manifesto for the Abolition of Interest-Slavery by Gottfried Feder
These are a good starting point for delving into National Socialism, and also provide some reference material for ideological discussions.