The Manchester Historical Society has coverted many years of published Somanhis yearbooks to pdf files. This is a very large job. Many thanks to them! You can access them online and download them to your computer.
The earliest is 1918 and the lastest is 1986. There are some missing years in the sequence.
The 1970 yearbook can be found here. -->Click Here For 1970<--
You can find the entire collection here. -->Click Here<--