found: Senser, A. Textbook, 1986:container (inscribed in Senser's hand: "Material donations by Markus Leatherdale")
found: Artist's Web site, May 4, 2011("Montreal-born photographer Marcus Leatherdale has been exhibiting for more than 20 years in galleries worldwide ... Since 1993, he has been exclusively working in India"; "first known for his arresting portraits of New York City celebrities ... in the 1980s, in 1993 Leatherdale began spending half of each year in the Indian holy city of Banaras ... In 1999, Marcus relocated to Chottanagpur, Jharkhand ... When not in India, Marcus is now based in Lisboa, Portugal (Luso Studio) and commutes between Europe and USA) - http://www.marcusleatherdale.com/
found: ULAN, May 4, 2011(Leatherdale, Marcus, American photographer, active 20th century)
found: Wikipedia, July 10, 2018(Marcus Leatherdale (born 1952) is a Canadian photographer; started his career in New York City during the early eighties; in 1993, Leatherdale began spending half of each year in India's holy city of Banaras; in 1999, relocated to Chottanagpur (Jharkhand) where he has been focusing on the Adivasis. His second home base is now Serra da Estrela in the mountains of central Portugal)