1.   At their best, the oil sketches in this show have a blessed felicity of hand and eye.

2.   So is a large oil sketch of Monet and Camille on loan from the Staatsgalerie in Stuttgart.

3.   Some of the most remarkable works at Vassar are the small oil sketches and other paintings by Americans like Sanford Robinson Gifford and George Inness.

4.   The Fogg also owns a group of oil sketches that Sargent made on a trip to Morocco at the beginning of his career.

5.   Their two oil sketches, whose busy compositions pay glowing tribute to past masters, are in the show.

6.   More than three centuries after it slipped into obscurity, a previously unknown oil sketch by Flemish master Peter Paul Rubens has resurfaced in Amsterdam.