Book — 1 CD-ROM : col. ; 4 3/4 in. + user's guide. (7 p. ; 19 cm.)
Includes 109 maps of Finland from the 17th through the 20th centuries with bibliographic description. The user can choose to view the contents in English, Russian or Finnish. There are maps of all of Finland, of parts and provinces, and of cities and towns, as well as military-historical maps. The maps are presented in Discus ArchiView software, which allows searching, quick preview, detailed preview with zoom in and out. and printing.
London, : Printed by John Darby, for John Seller, at the Hermitage-stairs in Wapping; William Fisher, at the Postern-Gate on Tower-Hill; John Thornton, at the Plat in the Monories; John Colson, in Marsh-Yard in VVapping; James Atkinson, at Cherry-Garden-stairs in Redriff, M.DC.LXXVII. 
Book — , 118 p.,  leaves of plates : ill., maps.