Henghel Gualdi, Could be better, Guaraldi, 1996
Book for sale at the bookshop of the Museum of Agriculture and the Rural World of San Martino in Rio
Henghel Gualdi, we improvise together, memories, 1985
Book available at the Archives Open for Henghel Gualdi
Giorgio Babbini, Henghel, a clarinet Angel,
Italian Academy of the clarinet, 2011
Book purchased at the Museum Bookshop and Agriculture and Rural S World. Martino in Rio and can be consulted at the Archives Open for Henghel Gualdi
Adriano Mazzoletti, Jazz in Italy. Vol. 2, EDT, 2011
Book for sale at the bookshop of the Museum of Agriculture and the Rural World of San Martino in Rio
Richard Bodria, Henghel Gualdi, the “Benny Goodman” italiano, 2013
Thesis available at the Archive of San Martino in Rio Henghel Gualdi