Sub-series consists of incoming correspondence to Blaser by family, friends, and colleagues. Material includes handwritten and typed correspondence as well as facsimile and email correspondence sent or forwarded to Blaser. Additional material includes enclosed contracts, poetry, and other textual material sent to Blaser.

Sub-series consists of correspondence of poet Jack Spicer who was a close friend of Blaser. Records include handwritten and typed correspondence to and from Jack Spicer.

Sub-series consists of correspondence of Blaser’s maternal grandmother, Sophia (née Nichols) Auer.