Passport system : replies from governments to the enquiry on the application of the recommendations of the passport conference of 1926.
League of Nations.Advisory and Technical Committee for Communications and Transit.
Geneva : League of Nations,
1938.
Official no.: C.356.M.241.1937.VIII addendum [C.C.T.652(a).].
"Geneva, August 20th, 1938."
Passports.