The French INHA (Institut National d'Histoire de l'Art) digital library now includes over 6,000 20th century auction catalogues. French catalogues are from Drouot - 3,542, Christie, Manson and Woods - 921, Baudoin, Henri (1876-1963) - 636, Ader, Étienne (1903-1993) - 626, Sotheby's - 286, Lair-Dubreuil, Fernand (1867-1931) - 275, Dillée, Bernard - 251, Baudoin, Denis Émile Pierre - 249, Desvouges, André (1871-19??) - 249, Paulme, Marius (1863-1928) -239, Bottolier-Lasquin, Georges (18??-1932) - 228, Damidot, Paul - 198.
To access the catalogues, click here.