Grocers
Dubuque (Iowa) -- Pictorial works
William J. Klauer Collection
Gelatin silver prints
Itinerant photographers]]> Sunday Schools
Dubuque (Iowa) -- Pictorial works
Herman J. Loemker Collection
Lantern slides
]]> Dubuque (Iowa) -- Pictorial works
William J. Klauer Collection. City at Work Project
Glass negatives
Itinerant photographers]]>