Foell, Earl W. "Mrs. Buck's Bomb-Makers." New York Herald Tribune (3 May 1959): 4.

Foell complains that "in concentrating on getting this formula for scientific endeavor scrupulously accurate [in Command the Morning], Mrs. Buck has somehow managed to turn her characters into types that fit the research equation but not the human equation."

Rennert, Maggie. "Blue-Blood Pudding." Sunday Herald Tribune Book Week (4 July 1965): 11.

Rennert asserts that although Buck's Death in the Castle is often cliché and unbelievable, it is still an enjoyable read.

Rogers, W. G. "Pastor's Brood." New York Times (19 February 1967): 44.

Rogers concludes that Buck's strength in The Time Is Noon is her well-drawn good characters, but her weakness is in the unbelievability of her villains.

Rogers, W. G. A review of Mandala. New York Times Book Review (25 October 1970): 57.

A brief review of Mandala, in which Rogers states, "The appeal of [the book], I suppose, lies in the mysticism that fills its last half."