"Madhva" article in the Internet Encyclopedia of Philosophy
The Life And Teachings of Sri Madhvacharyar by C.M. Padmanabha Char - at archive.org
Philosophy of Sri Madhvacharya by Dr. B.N.K. Sharma - at archive.org
S. Srikanta Sastri - "Logical system of Madvacharya", published in Poona Oriental Series - No. 75, "A Volume of Studies in Indology", presented to Prof P. V. Kane on his 60th birthday.
Brahmasutra Bhasya of Sri Madhvacharya with Glosses in Sanskrit - at archive.org
Tattva-Sankhyan of Madhvacharya with the Tika of Jayatirtha (Sanskrit-English) - at archive.org