The Princeton Theological Review was published between 1903 and 1929 and each issue has lengthy articles covering a range of subjects including theology, biographical studies, church history and Christian missions. Its contributors included such notable theologians as B.B. Warfield, James Orr & J. Gresham Machen. Princeton Seminary has very helpfully digitised the entire series and made it available here.
I have provided an enhanced table of contents here which links directly to the PDF versions of the articles. Eventually many of these very useful articles this listing will be integrated into the bibliographies on the Theology on the Web sites.