1 "Ficheiro:Standards_yearbook_1927_(IA_standardsyearboo77unse).pdf".

Ficheiro:Standards yearbook 1927 (IA standardsyearboo77unse).pdf

Standards yearbook 1927   (  ) Title Standards yearbook 1927 Volume NBS Miscellaneous Publication 77 Publisher Burgess, George K. Description Subjects:...