[8] "Enquête sur l'Évolution Littéraire," by Jules Huret, Paris, 1891.
[9] "Lourdes," Paris, Charpentier, 1894, 18mo, 598 pages. Seventy thousand copies sold on publication; one hundred and fifty-fourth thousand in 1903.
[10] "La Vraie Bernadette de Lourdes," Paris, 1894.
[11] "Rome," Paris, Charpentier and Fasquelle, 1896, 18mo, 751 pages. One hundredth thousand on sale in 1898; one hundred and sixth thousand in 1903. In the case of this book and subsequent ones, the sales from 1897 onward were largely affected by the unpopularity which Zola reaped from his participation in the Dreyfus case.
[12] "Nouvelle Campagne," Paris, E. Fasquelle, 1897, 18mo, 296 pages.