[Envelope, November 15] Page: 2 of 2

brightness
contrast
saturation
exposure
gamma
Applying filters

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Halfman, D. [Envelope, November 15], text, 186u-11-15; (digital.library.unt.edu/ark:/67531/metapth186310/m1/2/: accessed January 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Special Collections.