As a supplement to this website, the following books may be helpful to learning Kurrent. For additional resources in German, see the Weitere Ressourcen page.
"Handwriting Guide: German Gothic" from the Family History Library
A Genealogical and Demographic Handbook of German Handwriting: 17th - 19th Centuries, vol. 1: Births & Baptisms by Norman J. Storrer and Larry O. Jensen.