...Mark Tobey has long been associated with a group of artists who developed and worked in the Pacific Northwest.  Tobey...is occasionaly referred to as an Abstract Expressionist. However, his philosophical roots lie nearer to Zen Buddhism than to the Surrealists who had such an impact on artists like Pollock, Rothko, and Still. [This} work reveals Tobey's continuing concern with what her termed "white writing," a mode derived from Oriental calligraphy.

Source: Bulletin, November-December 1970.