Call Number (LC) Title Results
EBD P4.2-19 Addressing of parcels on more than one side to be discouraged 1
EBD P4.2-20 "Freak" addresses on letters 1
EBD P4.2-21 Addressing of parcels on more than one side to be discouraged 1
EBD P4.2-22 Forwarding address not to be placed on undeliverable 3rd or 4th class matter returned to sender in accordance with pledge to pay return postage 1
EBD P4.2-23 Notices to publishers concerning changes of address due to modification of rural delivery service 1
EBD P4.2-24 Restrictions on copies of publications mailed to advertisers 1
EBD P4.2-25 Folded advertising cards 1
EBD P4.2-26 Post office finances and rates 1
EBD P4.2-27 Letters, or articles sent as letters, destined for delivery in foreign countries will be accepted for transmission by Air Mail Service between New York and San Francisco 1
EBD P4.2-28 Official matter not entitled to free transmission by air mail 1
EBD P4.2-30 Envelopes for air mail 1
EBD P4.2-31 Importance of prepayment of proper postage on air mail 1
EBD P4.2-32 Contract air mail service established; envelopes of distinctive design for air mail 1
EBD P4.2-33 Envelopes of distinctive design for air mail 1
EBD P4.2-35 Letters weighing not in excess of 1 ounce prepaid at air-mail rate but not indorsed "via air mail" 1
EBD P4.2-36 Return card on air mail 1
EBD P4.2-37 Postage rate on air mail to and from U.S. and Virgin Islands of U.S 1
EBD P4.2-38 Air mail information 1
EBD P4.2-39 Treatment of air-mail letters prepaid only 5 cents 1
EBD P4.2-40 Arbor Day commemorative postage stamp 1