TY  - BOOK
AU  - Blake,Maurice C.
AU  - HELP
TI  - Boston postmarks to 1890
CY  - Lawrence, MA
PB  - Quarterman Publications, Inc.
KW  - United States
KW  - Massachusetts
KW  - Boston
KW  - Postal Markings
KW  - Postal History
KW  - 1630-1890
KW  - United States -- History -- Colonial Period, ca. 1600-1775
KW  - 17th Century
KW  - 18th Century
KW  - 19th Century
KW  - Postal Service
KW  - Transportation of Mail
KW  - Maritime Mail
KW  - Shipping Companies and Packet Service
KW  - Locals and Private Posts
KW  - Mail Coaches
KW  - Express Companies
KW  - Express Mail
KW  - Railway Mail
KW  - Transoceanic Mail
KW  - International Mail
KW  - Fee Paid Mail
KW  - Postage Dues
KW  - Registered Mail
KW  - Fancy Cancels
KW  - Machine Cancels
KW  - Postal Rates
KW  - Postal Routes
KW  - Postal Laws and Regulations
KW  - Covers
KW  - Pre-adhesive Covers
KW  - British America
ER  -