1
Published: 1982
Superior document: Die Welt der Religionen in 18 Bänden 7
2
Published: 1989-1995
3
Published: [1995]
Superior document: Der neue Michelangelo Wiedergeburt der wahren Farben in der Sixtinischen Kapelle Band 4
4
Published: 1994
Superior document: The art of Florence 1
5
6
Published: 1994
Superior document: The art of Florence 2