The Baden Class I e locomotives with the Grand Duchy of Baden State Railways were twin-axled tank engines that were built by the Maschinenbaugesellschaft Karlsruhe for duties on branch lines.
Hütter, Ingo (2021). Die Dampflokomotiven der Baureihen 60 bis 91 der DRG, DRB, DB, und DR (in German). Werl: DGEG Medien. pp. 308–310. ISBN978-3-946594-21-5.
Lohr, Hermann; Thielmann, Georg (1988). Lokomotiv-Archiv Baden (in German). Berlin: transpress. ISBN3-344-00210-4.{{cite book}}: CS1 maint: date and year (link)
Weisbrod, Manfred; Müller, Hans; Petznik, Wolfgang (1978). Dampflokomotiven deutscher Eisenbahnen, Baureihe 60–96 (EFA 1.3) (in German) (4th ed.). Düsseldorf: Alba. pp. 128–131. ISBN3-87094-083-2.
Weisbrod, Manfred; Müller, Hans; Petznick, Wolfgang (1994). Deutsches Lok-Archiv: Dampflokomotiven 3 (Baureihen 61 - 98) (in German). Berlin: transpress. ISBN3-344-70841-4.{{cite book}}: CS1 maint: date and year (link)