Our favorite sites for care and feeding are:
https://petgerbils.org/health-illness/
Gerbils on the Quay - Care and Feeding
Gerbils on the Quay - Equipment and Supplies
The best information we have found on gerbil colors and genetics:
Shooting Star Gerbils - Colors
Simplified locus-by-locus Genetics Guide
Introducing gerbils--split cage method:
Introducing Gerbils to Each Other
How to try to stop my gerbils from declanning: