Adelung-1793: Schirmer, der
Brockhaus-1911: Schirmer [2] · Schirmer
Herder-1854: Schirmer
Meyers-1905: Schirmer
Pagel-1901: Schirmer, Otto Wilhelm August · Schirmer, Rudolph
Pataky-1898: Schirmer, Anna
Pierer-1857: Schirmer · Schirmer