LOC Thesaurus for Graphic Materials, spells this term without an "o". "Mustaches" is the authroized LOC term.

Frank Charles A1

Portrait of C. Frank

Davis Marc A1

Davis portrait

Coleman Sidney B1

Portrait of Coleman

Fok Vladimir A1

Portrait of Fok

Brueckner Keith B1

Portrait of Keith Brueckner

Brueckner Keith A3

Portrait of Keith Brueckner

Bauer Edmond A1

Portrait of Edmond Bauer

Code Arthur B1

Code Attends AAS Columbus

Franck James A11

Portrait of Franck

Dirac Paul A5

Portrait of Dirac