* Partisanerne i Genova (1955)
* Partisanerne i Parma (1956)
* The People of the Apennines (1960)
* Landet bag Gud (1971)
* Emilia-Romagnas bjerge (1973)
* Appenninernes historie (1978)
* Appenninerne og deres historie (1981)
* The Villages of the Apennines (1983)
* Appenninernes skove (1985)
* Appenninernes dyr (1987)
* The Plants of the Apennines (1989)
* The Rocks of the Appennines (1991)
* Appenninernes geologi (1994)
* The Climate of the Appennines (1997)
* The Ecology of the Appennines (2000)
* Appenninernes biodiversitet (2003)
* The Conservation of the Appennines (2006)
* Appenninernes fremtid (2008)
noveller:
* "The Return" (1949)
* "Broen" (1951)
* "The Well" (1952)
* "The Tree" (1953)
* "Huset" (1954)
Opsatser:
* "Appenninernes natur" (1965)
* "Appenninernes fremtid" (1975)
* "Appenninernes økologi" (1985)
* "Appenninernes biodiversitet" (2000)
* "Bevarelsen af Appenninerne" (2005)
Artikler:
* "Partisanerne i Appenninerne" (1952)
* "The People of the Apennines" (1955)
* "Landet bag Gud" (1960)
* "Bjergene i Emilia-Romagna" (1965)
* "Appenninernes historie" (1970)
* "Appenninerne og deres historie" (1975)
* "The Villages of the Apennines" (1980)
* "Appenninernes skove" (1985)
* "Appenninernes dyr" (1990)
* "Appenninernes planter" (1995)
* "The Rocks of the Appennines" (2000)
* "Appenninernes geologi" (2005)
* "Appenninernes klima" (2010)
* "Appenninernes økologi" (2015)
* "Appenninernes biodiversitet" (2020)