Kept up-to-date by supplements.
"Admiralty charts and publications"--Cover.
Previous ed.: 1978.
Includes index.
Publisher's no. NP 19.
Baltic Pilot. Vol. II, South part of Baltic Sea and Gulf of Rīga. ISBN 070771107X. Published by Hydrographer of the Navy in 1998. Publication and catalogue information, links to buy online and reader comments.