Subject
Chemistry
3
Air
2
Education
2
History
2
Oxygen
2
Phlogiston
2
Conduct of life
1
Criticism
1
Dissenters, Religious
1
English language
1
Foreign public opinion
1
Foreign public opinion, British
1
Gases
1
Grammar
1
Grammar, Comparative and general
1
Language and languages
1
Oratory
1
Public opinion
1
Science
1
Study and teaching
1