Recommended guide-books to collectors of 4000
- Helmut Dumler, Willi Burkhardt: "The Big Book of Four thousand of the Alps", Zanichelli, Bologna, 1998
- Richard Goedeke: "I 4000 of the Alps", Iter, Rome, 1996
- Mario Vannuccini: "The four of the Alps", Nordpresse, Brescia, 1999
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- Gaston Rebuffat: "The Mont Blanc massif", Zanichelli, Bologna, 1974
- Gaston Rebuffat: "The massive Upper Dauphine", Zanichelli, Bologna, 1978
- Michel Vaucher: "The Pennine Alps", Zanichelli, Bologna, 1980
- Gian Carlo Grassi: "Gran Paradiso and Valli di Lanzo", Zanichelli, Bologna, 1982
- Mario Colonel: "Streets of Heaven - The most beautiful climbs of Alpine Ridge", CDA and VIVALDA Publishers, Turin, 2003
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- Guides Monti of Italy CAI:
Mont Blanc, vol.1-1994
Mont Blanc, vol.2-1968
Monte Rosa and Mischabel-1991
Pennine Alps, vol. 1-1971
Pennine Alps, vol. 2-1970
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- Maurice Brandt: "Guides des Alpes Valaisannes", 5 volumes, CAS, Berne, 1987-1992
- Maurice Brandt: "Guides des Alpes Bernoises", CAS, Geneva, 1982
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n.1: Mont Blanc
n.5 Matterhorn
n.9: Gran Paradiso
n.12: Eiger Bernese
n.15: Monte Rosa
n.18: Imperial Crown (Valais)
n.33: Grand Combin
n.35: Bernina
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- ALP-Great Mountains necklace:No .4: Gran Paradiso
n.10: Monte Rosa
n.22: Dauphiné-Ecrins
n.25: Mont Blanc 1
n.26: Mont Blanc 2