Out-of-class programed instruction compared with conventional homework assignments in teaching expository writing in freshman English

"The research ... was supported by the cooperative research program of the [U.S.] Office of Education."

Andreae Argoli ... Pandosion sphaericum : in quo singula in elementaribus regionibus, atque aetherea, mathematicè pertractantur.

Mode of access: Internet.

Floriani Dalham ... Institutiones physicæ : in usum nobilissimorum suorum auditorum adornatæ, quibus ceu subsidium præmittuntur institutiones mathematicæ.

Mode of access: Internet.

Christiani Hugenii aliorumque seculi XVII virorum celebrium exercitationes mathematicæ et philosophicæ /

fasc. I., continens Chr. Hugenii, Leibnitii et Hospitalii epistolas mutuas.--fasc. II., continens additaments ad fasc. I., inter quae vausmeslii, Duilierii et Hub. Huighenii epistolas.