פתיחת התפריט הראשי

שינויים

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* Gernsheim, Helmut, "The 150th Anniversary of Photography", ''History of Photography'' 1, no. 1 (January 1977): 3-8
*Batchen, Geoffrey, ''Burning with Desire: The Conception of Photography'', The MIT Press, 1997, pp. 120-127
* Schaaft, Larry J, "Invention and Discovery: FirtFirst Images", in: ''Beauty of Another Order'', Ann Thomas (ed.), Yale University Press, 1997
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