1.
Some namesakes, for short
11.
Arabic alphabet letter
13.
Expression of comfort
14.
Like certain engineers: Abbr.
18.
Sammy Davis Jr.'s "Yes ___"
34.
Introductory speechn (4-2)
41.
In the year before Christ (abbr.)
49.
Boxer formerly known as Clay
52.
Gridiron abbreviations
53.
Sounds from a librarian