Pen and ink on paper. Featuring sketch of animals; on verso featuring label of George Rowney & Co, London, 5.5 x 8.5 in (14 x 21.6 cm).

All authorship of items in this catalog are described according to the following terms:

By [Artist Name] : In our opinion, the work is by the artist.

Attributed to [Artist Name] : In our opinion, the work may be ascribed to the artist on the basis of style, but there may be some question as to actual authorship.

In the manner of [Artist Name] : In our opinion, the work was executed by an unknown hand, but was designed deliberately to emulate the style of the artist.

After [Artist Name] : In our opinion, the work was executed by an unknown hand, but is a deliberate copy of a known work by the artist.

Circle of [Artist Name] : In our opinion, a work of the period of the artist showing his influence, closely associated with the artist but not necessarily his pupil.

Follower of [Artist Name]: In our opinion, a work by a pupil or a follower of the artist (not necessarily a pupil).

American, 19th century : In our opinion, this work was executed by an unknown hand, and can only be identified by origin (i.e., region, period).

Bears signature : In our opinion, the signature on the artwork may be spurious.
Apocryphal : Of doubtful authenticity.