5-String Banjo Tunings: from Banjo-L, the largest list of banjo tunings online
Banjo Tunings: How to tune to G, G minor, C, D, and D minor
Free Online Banjo Tuner (with tabs and sheet music): tune your banjo online for free!
How to Tune the Banjo: Tuning the 5 String Banjo
Tuning a Banjo in A-Minor Warren Yates
Tuning Your Banjo Richard Hefner