Collectio Frisingensis I
From Clavis Canonum
"Sammlung der Handschrift von Freising" (Silva-Tarouca) extant in Clm 6243 and 5508 (plus incomplete copies), first used by Mansi. According to Silva-Tarouca compiled saec. V/VI in Italy.
See d'Avray, 127 n. 43 for two MSS listed as copies of Frisingensis prima in Kéry but in fact not containing it
