• Akademie för uns kölsche Sproch: Colognian-German dictionary
• Köln-Altstadt: Colognian-German dictionary (WaybackMachine)
• Kölsche Schimpfwörter & Kraftausdrücke (swear words)
• Sprichwörter & Redewendungen (proverbs & sayings)
• Wiggersu: Colognian-German dictionary (WaybackMachine)
• Kölsch-Wörterbuch: Colognian-German dictionary & song lyrics (+ video)
• Wörterbuch der Eschweiler Mundart: dictionary of the Eschweiler dialect (between Cologne & Aachen), by Hein Huppertz
• Entwurf eines Alfterer Wortschatzes: outline of a dictionary of the Alfter dialect (region of Bonn) by Werner Jaroch
• Der Köln-Lotse: Kölsche Wörter (Colognian words & guide of Cologne), blog by Uli Kievernagel
• Ein kleines rheinisches Lexikon: Rhine Franconian phrases, University of Bonn (WaybackMachine)
• DW: Kölsch, vocabulary, phrases (WaybackMachine)
• Dialektatlas Mittleres Westdeutschland: Dialektatlas (linguistic atlas) produced by the University of Siegen (+ audio)
• Wörterbuch der kölner Mundart: dictionary of the Colognian dialect, by Fritz Hönig (1905)
• Rheinisches Wörterbuch: dictionary of the Franconian dialects (Rhine, Moselle, Ripuarian), by Josef Müller (1928-1971)
• Nachträge zum Rheinischen Wörterbuch (supplement)
• Akademie för uns kölsche Sproch
• Das internationale phonetische Alphabet: Colognian pronunciation with the International phonetic alphabet
• Analyse der gewerblichen Verwendung des Kölsch-Dialekts durch Biermarken (analysis of the commercial use of Colognian dialect by beer brands), by Carlos Lanzarote Pérez, dissertation (2020)
• Cologne German velarisation and virtual geminates by Tobias Scheer, in Colloquium of Linguistics (1999)
• Kölsch hüre, Kölsch schwaade
• Form, meaning, and local identity in modern Cologne carnival: the reinvention of tradition, by Jeremy DeWaal, in Central European History (2013)
• Cologne, Les villes d'art célèbres, by Louis Réau (1908)
• Cologne in the 12th century, by Paul Strait (1974)
→ Palatine - Hessian (Rhine Franconian)
→ Moselle Franconian - Luxembourgish - Lorraine Franconian
→ German
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