3. S93.15.5407 Object number: S93.15.5407 Object name: 35mm color slide Title: Untitled (Delta) Maker: Bob Walker Date made: March 7, 1991
4. S93.13.6431 Object number: S93.13.6431 Object name: 35mm color slide Title: DF/HTR Maker: Bob Walker Date made: April 1987
6. H77.181.5 Object number: H77.181.5 Object name: newspaper Title: The Flatlands Date made: Nov. 1-14, 1967
7. S93.15.15536 Object number: S93.15.15536 Object name: 35mm color slide Title: East Bay Municipal Utilities District Maker: Bob Walker Date made: n.d.
9. S93.15.5958 Object number: S93.15.5958 Object name: 35mm color slide Title: Untitled (Delta) Maker: Bob Walker Date made: March 1990
10. A67.137.1661 Object number: A67.137.1661 Object name: photonegative Maker: Dorothea Lange Date made: 1931
12. A67.137.93559 Object number: A67.137.93559 Object name: photograph Title: Housing Around Richmond Vallejo Maker: Dorothea Lange Date made: circa 1943