Joseph Devlin, How to Speak and Write Correctly
“ They are Article, Noun, Adjective, Pronoun, Verb, Adverb, Preposition, Conjunction and Interjection. Of these, the Noun is the most important, as all the others are more or less dependent upon it. A Noun signifies the name of any person, place or thing, in fact, anything of which we can have either thought or idea. There are two kinds of Nouns, Proper and Common. Common Nouns are names which belong in common to a race or class, as man, city. Proper Nouns distinguish individual members of a race or class as John, Philadelphia. ”
