Ross G Caldwell
Internet Archive has a PDF of an 1882 edition (with introduction and notes) of "Das Goldene Spiel" by Meister Ingold, a very important early witness to cards, and a moralization on them (and 6 other games). German language.
http://ia341218.us.archive.org/0/items/dasgoldenespiel00ingouoft/dasgoldenespiel00ingouoft.pdf
http://ia341218.us.archive.org/0/items/dasgoldenespiel00ingouoft/dasgoldenespiel00ingouoft.pdf