There is 1 original bassoon of Johann August Crone (1727-1804) in the Hichwa-Rachor database. He was a member of an instrument making family active in Leipzig.
Johann August Crone Literature
Dullat, Günter. Verzeichnis der Holz- und Metallblasinstrumentenmacher auf Deutschsprachigem Gebiet von 1500 bis Mitte des 20. Jahrhunderts, Scheider, 2010.
Heyde, Herbert. Musikinstrumentenbau in Preussen. Schneider. 1994, p. 67.
Heyde, Herbert. Rohrblattinstrumente Katalog [Leipzig: Grassi Museum für Musikinstrumente der Universität Leipzig]. unpublished manuscript, 1979.
Heyde, Herbert. “Der Holzblasinstrumentenbau in Leipzig in der 2. Hälfte des 18. Jahrhunderts”. TIBIA, Moeck, No. 3 1987, pp. 482, 483.
Jansen, Will. The Bassoon: Its History, Construction, Makers, Players and Music. Frits Knuf, 1978 Vol. 1, p. 352.
Wit, Paul de. Katalog des Musikhistorischen Museums. Leipzig, 1903, p.127-28. [de Wit No. 384].
Waterhouse, William. The New Langwill Index. London: Tony Bingham, 1993.
Young, Phillip. 4900 Historical Woodwind Instruments. Tony Bingham, 1993
Crone, 8 key bassoon; Crone1-O-Leipzig1383
Crone1-O-Leipzig1383 General Information
Crone1-O-Leipzig1383 Data Spreadsheet