“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: https://www.researchcatalogue.net/view/87114/87115
“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: https://openaccess.leidenuniv.nl/handle/1887/36960
AGRELL, DONNA, ‘Early nineteenth-century bassoon repertoire from Sweden: in search of the high register’, De Fagot, /17 (November 2016), 4–6.
AGRELL, DONNA ‘Frans Carl Preumayr: Introducing Stockholm’s nineteenth-century bassoon virtuoso’, De Fagot, /19 (December 2017), 4–7.
AGRELL, DONNA, ‘A Fine, Playable Grenser & Wieser Bassoon, with Three Crooks and Six Reeds’, in Sebastian Werr and Lyndon Watts (ed.), Le Basson Savary (Musikforschung der Hochschule der Künste Bern; Schliengen: Edition Argus, 2017), 120–28.
AGRELL, DONNA, “Early Nineteenth-Century Bassoon Repertoire from Sweden: In Search of the High Register.” The Double Reed 40, no. 40 (2018): 85–93.