Should punctuation marks be doubled?
57.

How is the comma used with parentheses?
58.

How would you punctuate the possessive of an abbreviation, for example, _the Doctor's house_, using the abbreviation _Dr._?
59.

Give a brief summarized statement of the use of the twelve punctuation marks.
GLOSSARY ABSOLUTE--Free from the usual grammatical relations.
ANTECEDENT--That to which a relative pronoun or a relative clause refers.
APPOSITION--When the meaning of a noun or pronoun is made clear or emphatic by the use of another noun or pronoun, the two are said to be in apposition.
CLAUSE--A group of words consisting of a subject and predicate with their modifiers and forming a part of a sentence; a sentence within a sentence.
COMPOUND SENTENCE--A sentence consisting of several clauses.
COOeRDINATE CLAUSES--Clauses of equal rank.
DECLARATIVE SENTENCE--A sentence which states a fact.
EXCLAMATORY SENTENCE--A sentence which utters an exclamation.
INDEPENDENT ADVERBS--Adverbs not in grammatical relations with other words in the sentence.
INTERROGATIVE SENTENCE--A sentence which asks a question.
MINOR CLAUSES--Clauses other than the principal clause or main statement of a sentence.
PARENTHETICAL--Incidental; not an essential part of a sentence or statement.
PARTICLE--One of the minor parts of speech not inflected, that is, not undergoing changes in form.
PHRASE--An expression consisting usually of but a few words, denoting a single idea, or forming a separate part of a sentence.
RELATIVE CLAUSE--A clause joined to the rest of the sentence by a relative pronoun.
SALUTATION--A form of greeting, especially at the beginning or end of a letter.
SALUTATORY PHRASE--The words forming a salutation, or greeting.
TYPOGRAPHIC TECHNICAL SERIES FOR APPRENTICES The following list of publications, comprising the TYPOGRAPHIC TECHNICAL SERIES FOR APPRENTICES, has been prepared under the supervision of the Committee on Education of the United Typothetae of America for use in trade classes, in course of printing instruction, and by individuals.
Each publication has been compiled by a competent author or group of authors, and carefully edited, the purpose being to provide the printers of the United States--employers, journeymen, and apprentices--with a comprehensive series of handy and inexpensive compendiums of reliable, up-to-date information upon the various branches and specialties of the printing craft, all arranged in orderly fashion for progressive study.
The publications of the series are of uniform size, 5x8 inches.

Their general make-up, in typography, illustrations, etc., has been, as far as practicable, kept in harmony throughout.