Content: With four broadsides on migrant farmers and agricultural workers, numbered Educational bulletin 1, 2, 4, 5 with holograph explanatory text to accompany them, signed and dated Feb. 25, 1939.
Content: Altschul, Berg.
Citation/reference: Dictionary catalog of the Henry W. and Albert A. Berg Collection of English and American literature. Vol. 4, p. 40
Date: While the catalog card indicates a date of 1937 for the explanatory text, Steinbeck scholar Susan Shillinglaw has dated Steinbeck's explanatory text accompanying the broadsides as Feb. 25, 1939.