Human Arts Ensemble (listed on Oliver Lake's discography, but listed as Solidarity Unit, Inc. on Dennis Owsley's City of Gabriels discography) - Red, Black, & Green (1971, Universal Justice, according Oliver Lake's discography, but maybe released under the BAG Concert Series?)
Human Arts Ensemble - Poem of Gratitude (1972, Universal Justice)
Arthur Doyle Electro-Acoustic Ensemble - National Conspiracy (2004, Carbon [part of Carbon's CDR series & now OOP] - a remix album of tunes from Conspiracy Nation, etc.)