For further information:

1. web-sites

Musica Thulia - early music from the far North

Härnösand grammar-school collection, laeroverkssamlingen

Musica Calligrafica - music writing as an experience of beauty

Musica Pedagogica Practica - how it all works

Musica Poetica - the renaissance musician's approach to moving the emotions

2. books and articles

Ake Davidsson, Catalogue ... des imprimée de musique ... conservés à La Bibliothèque de l'université d'Upsala (1951)

Ake Davidsson, Catalogue ... des imprimés de musique... conservés dans les bibliothèques suèdoises (1952)

Ake Davidsson, Catalogue des ouvrages théoriques sur la musique ... (1953)

Jan Olof Rudén, "Nottryck och musikförlag i Sverige", Ord och Ton, 1983, nr.2; 12-16

Ann-Marie Nilsson, Kjell Lundholm and others, Gertrude Sophia Solanders Notbok (booklet and tape cassette)

Jan Ling, Europas musikhistoria - 1730, (Stockholm, 1983): pp.364, 380, 432, 439, 445, 481, 510, 522, 524, 525, 571, 581, 591, 592, 594

David Kettlewell, "The Gothenburg Fragments", Tvärspel, Festskrift till Jan Ling (Göteborg, 1984)

David Kettlewell, "Musikalier på Murberget" (unpublished, 1984)

David Kettlewell, various compendia on playing from original notation