Fox, D.A. Aerial view of lower Manhattan, c1986: map recto (Aerial photographer: Alex S. MacLean, Boston)

Wikipedia, viewed Apr. 5, 2016: Alex Maclean (Alex S. MacLean, born 1947, American photographic artist best known for aerial photographs; graduated from Harvard College in 1969, earned a Master of Architecture degree from Harvard Graduate School of Design in 1973; lives in Lincoln, Massachusetts) https://en.wikipedia.org/wiki/Alex_MacLean

ISNI portal, viewed Apr. 5, 2016: Alex Maclean http://isni.org/isni/0000000116038271

Irvine, C. Private New York, c1990: t.p. (Alex McLean) jkt. (professional photographer)