1. Potrero #22 Artist: Henderson, Mel Classification: Sculpture Materials: bronze Dimensions: 14 x 6 x 6 in. Accession Number: 1974.40
2. Letter to Tom Marioni from Mel Henderson (The Return of Abstract Expressionism) Artist: Henderson, Mel Classification: Work on paper Materials: blue ink on postcard, two-hole punched, two-sided Dimensions: 5 1/2 x 3 1/4 in. Accession Number: 1995.46.150.29
3. Letter to Tom Marioni from Mel Henderson (Bay Area Roach Clip Show) Artist: Henderson, Mel Classification: Work on paper Materials: red marker on San Francisco State College stationery, two-sided Dimensions: Sheet: 5 1/2 x 8 1/2 in. Accession Number: 1995.46.441.12
4. Letter to Tom Marioni from Mel Henderson (Bay Area Roach Clip Show) Artist: Henderson, Mel Classification: Work on paper Materials: a: Blue ink on San Francisco State College stationery, two-sided b: Blue ink on envelope Dimensions: Sheet: 11 x 8 1/2 in. Accession Number: 1995.46.441.11.a-b
5. untitled photograph, Attica (The San Francsico Performance) Artist: Henderson, Mel Classification: Photograph Materials: black-and-white photograph, three copies Dimensions: 8 x 10 in. Accession Number: 1995.46.443.2
6. untitled photograph, Attica (The San Francsico Performance) Artist: Henderson, Mel Classification: Photograph Materials: black-and-white photograph Dimensions: 8 x 10 in. Accession Number: 1995.46.443.3
7. untitled photograph (All Night Sculptures) Artist: Henderson, Mel Classification: Photograph Materials: black-and-white photograph Dimensions: Photograph: 8 1/16 x 10 in. Accession Number: 1995.46.152.9
8. untitled photograph (All Night Sculptures) Artist: Henderson, Mel Classification: Photograph Materials: black-and-white photograph Dimensions: Photograph: 8 x 10 in. Accession Number: 1995.46.152.8
9. Attica, the arrest (The San Francisco Performance) Artist: Henderson, Mel Classification: Photograph Materials: black-and-white photograph, three copies Dimensions: 8 x 10 in. Accession Number: 1995.46.443.7
10. Paul Kos and cop, "Attica,” the arrest (The San Francisco Performance) Artist: Henderson, Mel Classification: Photograph Materials: black-and-white photograph Dimensions: Photograph: 8 x 10 in. Accession Number: 1995.46.443.6