The First Balkan War, 1912-13 - An article with sources and links. - http://www.thenagain.info/WebChron/EastEurope/FirstBalkan.html
Balkan Wars - Brief description with links. - http://www.infoplease.com/ce6/history/A0805909.html
Second Balkan War 1913 - History and statistics. - http://www.onwar.com/aced/data/bravo/balkan1913.htm
First Balkan War 1912-1913 - History and statistics. - http://www.onwar.com/aced/data/bravo/balkan1912.htm
The Balkan Wars and the Partition of Macedonia - Describes how the Balkans Wars resulted in Turkish Macedonia being split between Albania, Bulgaria, Greece and Serbia. - http://www.historyofmacedonia.org/PartitionedMacedonia/BalkanWars.html