Air Mail Literature comprising Proud The Postal History of British Air Mails 1991, in d/jkt; McQueen Jusqu'a Airmail Markings 1993; and Curley The Graf Zeppelin's Flights to South America, 1970; all VG/VF, no inscriptions; together with 29 airmail pamphlets, mostly Francis Field, all bar five with filing punch holes, a few with annotations. (32).