SUBJECT
Rice
200
Hist
173
Study and teaching
134
Pol. & govt
125
History
102
Students
89
Education
82
Teachers
72
English language
71
Econ. condit
68
Study and teaching (Elementary)
68
Catholic Church
66
Descr. & trav
65
Diseases and pests
63
Agriculture
56
Comm
54
Soils
53
Science
52
Criticism and interpretation
49
Study and teaching (Secondary)
44
Agricultural education
42
Feeding and feeds
41
Tagalog language
40
Economic aspects
38
Novenas
37
Case studies
36
Fertilizers and manures
36
Politics and government
34
Catholic Church in the Philippines
33
Mathematical models
33
Catechisms and creeds
32
Missions
32
Academic achievement
31
Analysis
31
Mathematics
31
Varieties
31
Bibl
29
Teachers, Training of
29
Disease and pest resistance
28
Swine
28
Universities and colleges
28
Vocational education
28
Ethnology
27
Testing
27
High school students
26
Maize
26
Social sciences
26
Community development
25
Colonial question
24
Farmers
24
more ...