General Bibliography
- Puttick & Simpson - 1938
- Puttick & Simpson - 1955
- Puttick & Simpson - 1956
- Puttick & Simpson - 1957 (II)
- Puttick & Simpson - 1958
- Puttick & Simpson - 1958 (II)
- Puttick & Simpson - 1959
- Puttick & Simpson - 1959 (II)
- Puttick & Simpson - 1960
- Puttick & Simpson - 1960 (II)
- Puttick & Simpson, 1957
- Quintavalle, Arturo Carlo - 2007
- Quintavalle, Arturo Carlo - 2007 (II)
- Racster, Olga - 1905
- Racster, Olga - 1907
- Ragghianti, Carlo Ludovico (edited by) - 1948
- Rashbaum, William K. - 2002
- Rassmans, Peter - 1979
- Rattalino, Piero - 2004
- Rattray, David - 1991