The Massachusetts register and United States calendar; for the year of our Lord 1806 .. : containing civil, ecclesiastical, judicial, and military lists in Massachusetts; associations, and corporate institutions, for literary, agricultural, and charitable purposes. : A list of post-towns in Massachusetts, with the names of the post-masters. : Also, catalogues of the officers of the general government, with its several departments and establishments; the executive government in each state; officers of the United States army, public duties, &c. Useful tables; and a variety of other interesting articles