Subject (Genre)
- Tracts (literary works)62
- Case studies60
- Miscellanea60
- Comparative studies58
- Outlines, syllabi, etc49
- Interviews42
- Terminology41
- Academic theses37
- Apologetic works36
- Directories36
- Indexes33
- Conference proceedings30
- Bio-bibliography23
- Texts23
- Meditations20
- Translations into English19
- Catechisms18
- Textbooks18
- Encyclopedias17
- Tracts (literary genre)16