User:Spinningspark/Work in progress/History of maritime signal flags
- International maritime signal flags
- Flag signals
- International Code of Signals
- [Maritime flag signalling]]
http://www.anbg.gov.au/flags/signal-meaning.html
http://www.quadibloc.com/other/flaint.htm
http://www.shipwrecks.com/flags/flags.html
http://www.pem.org/sites/archives/guides/signals.htm
http://www.boatsafe.com/nauticalknowhow/flags.htm
http://navydiving.tpub.com/NavyDiving/css/Dive_Man_ChangeA_151.htm
http://www.gwpda.org/naval/s0100000.htm
Hannah Weiner, Code Poem: from the international code of signals for the use of all nations (local copy from JSTOR)