Thomas H. Webb and Company, Boston
ca.1843
Thomas Webb published the primary series under the "sanction
of the Board of Education of the State of Massachusetts". This series
included all fourteen of the Rollo books as well as all six of the
Cousin Lucy books. All of the books are reprints.
The exact date of the Primary Series publication is unclear (probably
1843). The books are 6.25 x 4.25.