Luke Commentary CollectionDarrell L. Bock, David E. Garland, Walter L. Liefeld, David W. Pao · First published 2016Open the Tome
Comentario Bíblico con Aplicación NVI 1 y 2 Timoteo, TitoWalter L. Liefeld · First published 2015Open the Tome
The Expositor's Bible commentaryD.A. Carson, Mark: Walter W. Wessel, Luke: Walter L. Liefeld · First published 1984Open the Tome
The wandering preacher as a social figure in the Roman EmpireWalter L. Liefeld · First published 1967Open the Tome