Hi List, I'm attempting to identify the time-period of pictures received from a fellow researcher. The photographers named are: F Sheets, Wellsville, OH P C Graule, Rochester, PA J R Pearson, 96 5th Ave or 43 & 45 Federal St, Pittsburgh, PA H Sonnenberg, Pittsburgh & Allegheny City, PA Black, 801 & 803 7th Ave, Beaver Falls, PA Chalfant, 915 & 917 7th Ave, Beaver Falls, PA Leigh, 697 7th Ave, Beaver Falls, PA Javens Elite Studio, 516 Market St, Pittsburgh, PA Gaesler, 801 7th Ave, Beaver Falls, PA H Sonnenberg Society Gallery, 35 5th Ave, Pittsburgh, PA Any help will be gratefully appreciated. Carolyn (TX)