Attached PDF is Strasser's "Manifesto of Solidarism". The anon personally went and translated it from German, so good luck finding their English-language PDF online. But it should be findable in German, though even that appears to be rare: https://www.semanticscholar.org/paper/THE-MANIFESTO-OF-SOLIDARISM-Strasser/fc2bc0a641a7a204b8b350526e2feb321f60db4f
Comments
"highly decentralized form of government, anti-militarism and anti-imperialism"
...then why the hell was he in the Nazi party???
The Nazi Party was a different thing at that point. There's a reason his brother got purged in the Night of The Long Knives.
Attached PDF is Strasser's "Manifesto of Solidarism". The anon personally went and translated it from German, so good luck finding their English-language PDF online. But it should be findable in German, though even that appears to be rare: https://www.semanticscholar.org/paper/THE-MANIFESTO-OF-SOLIDARISM-Strasser/fc2bc0a641a7a204b8b350526e2feb321f60db4f