People who wish to express their sympathy to the Ford family can sign a condolence book at DeVos Place in Grand Rapids:
Tonight (Wednesday) from 7pm-11pm and tomorrow from 7am-10am.
There is also a condolence book at the Gerald R. Ford Presidential Library, on North Campus in Ann Arbor. The lobby will be open for the following hours, for people who wish to sign the book:
Today (Wednesday) 10am-6pm
Thursday and Friday 10am-6pm each day.