Possessives

homes' of my son's-in-law
rivers of Arkansas
house of Jim and Joan's
research of the Ph.D.'s
advertising of McGraw-Hill, Inc.
estimates of Fred the electrician
idea of anyone else's
deposition of the witnesses
the upper levels of the airport

The tree surgeon could not save the white spruce's limb
The user's manual for the new software package was so confusing that most consumers returned it to the company
Window's intuitive commands make it easy for users to move from one application to another
I will be in Hawaii on Mother's Day and in New Mexico on April Fool's Day and in California on Veterans Day
Grover Cleveland was the people's choice
Each participant filed out the Reader's Comment Form
Now that he has his Bachelor's Degree, he plans to his his Master's, and possibly his Doctorate
The National Secretaries Conference will be held in Houston this year
For appearance sake, the feuding vice presidents' kept their differences to themselves during the monthly staff meeting
My brother's-in-law idea was to have the family reunion at a spa
We have been invited to a holiday art at the Roth's
The telephone company's president's idea was to offer discount rates to seniors