“Searching for the Top Range in Early Nineteenth-Century Bassoon Repertoire from Sweden:  Issue of material and/or technique?”  Research Catalogue, Royal Conservatoire in The Hague, December 2013.  URL:

“Repertoire for a Swedish bassoon virtuoso:  approaching early nineteenth-century works composed for Frans Preumayr with an original Grenser & Wiesner bassoon”  PhD dissertation, Leiden University, December 8, 2015.  Complete open access from June 8, 2017.  Limited open access available at:

AGRELL, DONNA, ‘Early nineteenth-century bassoon repertoire from Sweden: in search of the high register’, De Fagot, /17 (November 2016), 4–6.