Analysis of information sources in references of the Wikipedia article "John Bosco" in English language version.
19 volumes: Vols. 1–9 by Lemoyne); 10 (1939, by Amadei); 11–19 (1930–1939, by Ceria
19 volumes: Vols. 1–9 by Lemoyne); 10 (1939, by Amadei); 11–19 (1930–1939, by Ceria
19 volumes: Vols. 1–9 by Lemoyne); 10 (1939, by Amadei); 11–19 (1930–1939, by Ceria
19 volumes: Vols. 1–9 by Lemoyne); 10 (1939, by Amadei); 11–19 (1930–1939, by Ceria
19 volumes: Vols. 1–9 by Lemoyne); 10 (1939, by Amadei); 11–19 (1930–1939, by Ceria
19 volumes: Vols. 1–9 by Lemoyne); 10 (1939, by Amadei); 11–19 (1930–1939, by Ceria
19 volumes: Vols. 1–9 by Lemoyne); 10 (1939, by Amadei); 11–19 (1930–1939, by Ceria
19 volumes: Vols. 1–9 by Lemoyne); 10 (1939, by Amadei); 11–19 (1930–1939, by Ceria
19 volumes: Vols. 1–9 by Lemoyne); 10 (1939, by Amadei); 11–19 (1930–1939, by Ceria
19 volumes: Vols. 1–9 by Lemoyne); 10 (1939, by Amadei); 11–19 (1930–1939, by Ceria
19 volumes: Vols. 1–9 by Lemoyne); 10 (1939, by Amadei); 11–19 (1930–1939, by Ceria
19 volumes: Vols. 1–9 by Lemoyne); 10 (1939, by Amadei); 11–19 (1930–1939, by Ceria
19 volumes: Vols. 1–9 by Lemoyne); 10 (1939, by Amadei); 11–19 (1930–1939, by Ceria
19 volumes: Vols. 1–9 by Lemoyne); 10 (1939, by Amadei); 11–19 (1930–1939, by Ceria