A large part of the subject of Personal Property is treated elsewhere in this work, Sales,5 and Bailments6 of Personal Property, have already been discussed. Patents7 and Copyrights,8 are two forms of intangible personal property which are also treated as separate subjects. The interests in real property which are classed as personal property will be taken up under the subject of Real Property.9

3 Withers vs. Buckley, 20 How., 84; Charles River Bridge vs. Warren Ave. Bridge, 7 Pick., 344.

4 This prohibition is sometimes stated as follows: "A person is not at liberty to so use his own as to injure the rights of another." Smith's Personal Property. This form of statement is misleading. See Torts, Section 69. 5 Volume V, Subject 11.

6 Volume V, Subject 12.

7 Volume V, Subject 15.

8 Volume V, Subject 16.

9 Volume V, Subject 17