National Societies

AVSC / African Violet Society of Canada

AVSA / African Violet Society of America

AGGS / American Gloxinia Gesneriad Society

Clubs

Société des Saintpaulia de Montréal

Toronto African Violet Society

Stampede City African Violet Society

Oakville African Violet Society

Others

Saintpaulia

The Book Saintpaulia 

Streptocarpus

Brithish Streptocarpus Society

Pr. D.U. Bellstedt' Streptocarpus

The Gesneriads Reference Web

The Gesneriasts

Botanist's Guide to the African Violet