The Shin Buddhism Translation Series. Examines selected works of Nagarjuna and Vasubandhu important to the Pure Land tradition:
Nagarjuna's Chapter on Easy Practice
Nagarjuna's Twelve Praises of Amida Buddha
Vasubandhu's Treatise on the Pure Land (Treatise on the Sutra of the Buddha of Immeasurable Life with the Verses of Aspiration for Birth in the Pure land).