"the Corrected Hydrographic Office Sailing Directions for the Mediterranean, say, or the tables in the Brown Nautical Almanac."
Horizontal and vertical coordinates
Public DomainHorizontal and vertical coordinates - Credit: W!B:

Existing for more than 200 years, the UK's Hydrographic Office supplies reliable nautical maps and navigational assistance for the purposes of global shipping. There are a number of hydrographic organisations world-wide.

Brown's Nautical Almanac -- first brought to press in 1877 and still produced today -- is a commercial publication providing information to facilitate celestial navigation.