found: His Function theory on the unit circle, 1978?:t.p. (Donald Sarason)
found: Halmos, P.R. Selecta, 1982 (a.e.)CIP t.p. (Donald E. Sarason) 1st prelim. CIP p. (Dept. of Mathematics, U. of Calif. at Berkeley)
found: Sub-Hardy Hilbert spaces in the unit disk, c1995:CIP t.p. (Donald Sarason) CIP data sheet (b. 01-26-33)
found: Holomorphic spaces, 1998:CIP t.p. (Donald Sarason) data sheet (Sarason, Donald Erik; b. Jan. 26, 1933)
found: Wikipedia, August 12, 2022:(Donald Erik Sarason (January 26, 1933-April 8, 2017) was an American mathematician who made fundamental advancements in the areas of Hardy space theory and VMO; Ph.D. in mathematics from the University of Michigan; went to the University of California, Berkelely in 1964; retired in 2012) - https://en.wikipedia.org/wiki/Donald%5FSarason