The materials within the Sorosis Club Records Collection consists of print materials that span most of the 20th Century. The bulk of the material is made up of the minutes of the club staring in 1909 and ending in 1979. These Minute Books are divided between Senior Sorosis Minute Books and Alumnae Sorosis Minute Books. The Senior Sorosis Books cover the time period when the women were students at Central High School The Alumnae Sorosis Books cover the time period after the students left Grand Rapids Central High School.

The second part of the collection is primarily made up of corresepondence of club members. This part of the collection also spans most of the 20th Century.