Cousin Lucy at study.

Mode of access: Internet.

Rollo's travels /

Mode of access: Internet.

Rollo's museum /

Mode of access: Internet.

Jonas on a farm in winter /

"Stereotyped at the Boston Type and Stereotype Foundry."--verso of t.p.

Rollo at school /

Mode of access: Internet.

Marco Paul's travels and adventures in the pursuit of knowledge. Erie canal.

Mode of access: Internet.

Stories told to Rollo's cousin Lucy : when she was a little girl /

Mode of access: Internet.

A new treatise on chess, containing the rudiments of the science, with an analysis of the best methods of playing the different openings and ends of games, including many original positions, and a selection of fifty chess problems never before printed in this country.

Mode of access: Internet.

Il segreto del famoso automa che giuocava a scacchi : articolo estratto dal fascicolo di settembre 1839, della Rivista britannica /

Article signed on p. 31: G.W., Club degli scacchi di Londra.

Marco Paul's travels and adventures in the pursuit of knowledge : On the Erie Canal /

Mode of access: Internet.

Rollo's experiments,

Mode of access: Internet.

Rollo's correspondence.

Mode of access: Internet.

Rollo's museum.

Mode of access: Internet.

Rollo at work : or, The way for a boy to learn to be industrious /

Mode of access: Internet.

The Rollo philosophy ...

Pt. 1. Water.--pt. 2. Air.