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by Hay, William
by Cullen, John; Aitken, William Hay M. H.
by Hay, Oliver Perry; Hay, William Perry
by Embree, Ainslie Thomas; Hay, Stephen N.; De Bary, William Theodore
by Hay, William; Levin, Myron; Abzug, Mark; et al.
by William W. Hay
by Hay, William; Levin, Myron; Deterding, Robin; et al.