Notes about pre-1970 DR class numbers

Class V 100: see class 110
Class V 200: see class 120
Class V 300: see class 130

Notes about 1968-1992 DB class numbers

Class 211: see class V 100.10
Class 212: see class V 100.20
Class 213: see class V 100.23
Class 216: see class V 160
Class 220: see class V 200.0
Class 221: see class V 200.1
Class 236: see class V 36
Class 280: see class V 80

Notes about 1970-1992 DR class numbers

Class 103: see class V 36

Notes about post-1992 DB/DR/DB AG class numbers

Class 201: see class 110
Class 202: see class 112
Class 219: see class 119
Class 220: see class 120
Class 228: see class 118
Classes 230, 231: see classes 130, 131

Apart from that, all DB AG museum diesel locomotives are for internal purposes included in classes 288 and 388, but these numbers are usually not inscribed on the vehicles' exteriors.