Reference Sources
Marine Transportation

Bowditch - The American Practical Navigator
The complete text of the 2002 edition in Abobe pdf format.

Bowditch - The American Practical Navigator
The complete text of the 1995 edition in Abobe pdf format.

Britannica Online
The Encyclopaedia Britannica (yep, the whole thing - plus more) is just a click away.   Also a great place for finding authoritative web sites reviewed by the staff at Britannica.

Key CMA Library Reference Sources
A listing of reference sources that can be found in the CMA Library.

Gale Encyclopedia of Science
This collection of entries covers major areas of science including: biology, genetics, microbiology, astronomy, chemistry, physics, engineering, technology, geology, weather, archaeology, psychology, mathematics, and medicine.

Macmillan Encyclopedia of Energy
Covers the broad field of energy in over 250 illustrated articles written by academics and experts in the field.

Mathematics
This illustrated set explains basic concepts of math and geometry, and provides information on historical milestones, notable mathematicians, and today's career choices.

InfoUSA
A tremendous resource for starting a business, managing a business, dealing with finances and accounting, developing sales leads, analyzing customers and more.

Radio Navigation Aids
The Radio Navigational Aids (Pub 117) publication contains a detailed list of selected worldwide radio stations that provide services to the mariner. 

Sailing Directions Enroute
Detailed coastal and port approach information, supplementing the largest scale chart of the area. .

Maritime Data & Statistics

Maritime Directories

Sailing Schedules

Vessel/Ship Registries & Directories

Tidal Data

Time & Time Zone

Weather