The source of these cards is currently undocumented. Information on the cards includes: Name, Address, Date of Birth, Place of Birth, Place of Enlistment, Date of Enlistment, Branch of Services, Rank, Date Reported for Duty, Unit, Person to Notify in Emergency (Name/Address/Relationship), Lodge, Church, Marriage Date / Place, Name of Worked, Members of Family. Sometimes other cards or information are clipped to the blue cards. These include:

A. Soldiers and Sailors Records – The Great War (small white card). This card gives less information, but information also collected on the blue card.

B. Local Board for Division no. 1, City of Grand Rapids. (small white card) These cards were created on the back of discarded Grand Rapids Public Library Receipt Blank for Special Loans cards. The “Local Board ...” information was stamped on the blank back of these cards, and a name and address was typed in the top left corner. The use or significance of any of these cards has not been documented.