DUV4197718:
Letters K and L representing children in a library, late 19th century (chromolithograph), Lobrichon, Timoleon Marie (1831-1914) / Bridgeman Images
DUV4197729:
Letters O and P representing children dancing the round to the sound of the barbarity organ and puppets, late 19th century (chromolithograph), Lobrichon, Timoleon Marie (1831-1914) / Bridgeman Images