Statistics for occurrence #1 of “Dr. Hinsdale” in chapter 1 of Medford Historical Society Papers, Volume 10.:
...e third and fourth decades of the last century.
But it must not be supposed that all were indifferent to the existence of such deplorable conditions.
The work of these men is fully discussed by Dr. Hinsdale in his Life of Horace Mann, in the chapter on Horace Mann's Forerunners.
In this he aims to name the principal of Mr. Mann's precursors, and briefly to characterize their work.
The bibliography ...
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