His work is a complete exposition of the Science of Political Economy both historically and topically, his style is admirably clear and racy; his illustrations are forcible and well chosen, and he has made a subject interesting and open to the comprehension of any diligent student, which has often been left by writers vague and befogged and bewildering.
"Contemporary Socialism"
John Rae
To bring about an acquaintance which might very profitably ripen into intimacy, he would have each of these poets treated in the whole measure of his work as many or most of them had been topically or partially treated by the quotational critics.
"Imaginary Interviews"
W. D. Howells
The relation of algebra to arithmetic is emphasized, the subject is treated topically, and each important point is touched at least twice.
"The Hindu-Arabic Numerals"
David Eugene Smith Louis Charles Karpinski