Your search for ""USGSSW38.5-91.5"" revealed the following:

~ Swiss MO topo map, 1:24000 scale, 7.5 X 7.5 Minute, 2015

~ Swiss MO topo map, 1:24000 scale, 7.5 X 7.5 Minute, Historical, 2012

~ Swiss MO topo map, 1:24000 scale, 7.5 X 7.5 Minute, Historical, 1973, updated 1975

~ Hermann MO topo map, 1:62500 scale, 15 X 15 Minute, Historical, 1945

~ Hermann MO topo map, 1:48000 scale, 15 X 15 Minute, Historical, 1936

~ Hermann MO topo map, 1:62500 scale, 15 X 15 Minute, Historical, 1942, updated 1965

~ Hermann MO topo map, 1:62500 scale, 15 X 15 Minute, Historical, 1942, updated 1961

~ Hermann MO topo map, 1:125000 scale, 30 X 30 Minute, Historical, 1890, updated 1904

~ Hermann MO topo map, 1:125000 scale, 30 X 30 Minute, Historical, 1890, updated 1926

~ Hermann MO topo map, 1:125000 scale, 30 X 30 Minute, Historical, 1890, updated 1913

~ Hermann MO topo map, 1:125000 scale, 30 X 30 Minute, Historical, 1890

~ Hermann MO topo map, 1:125000 scale, 30 X 30 Minute, Historical, 1890, updated 1896