"Pierre Petit is not to be confused with (Jean) Pierre Yves-Petit (1886–1969), another French photographer who usually operated under the name Yvon.
Pierre Lanith Petit (15 August ...
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1832 – 16 February 1909) was a French photographer. He is sometimes credited as Pierre Lamy Petit." - (en.wikipedia.org 11.08.2021)