The American Memory Collection documents the American experience. I searched for the 51st Pioneer Infantry in this collection.
In the search box, I entered “51st Pioneer Infantry” and got only two results. So I tried “51st Pioneer”.
The results were:
There is a choice to download the pdf of the page or of the whole issue.
Be sure to note the page number and position of the article; searching in the pdf may not work.
The first result in “The Stars and Stripes” was:
The second result in “The Stars and Stripes” was from the The Army’s Poets column:
The third result in “The Stars and Stripes” was:
The fourth result was in the Serial Set. It was dated 1863, so it was not relevant.
To take this another step, you can search within the “Stars and Stripes” collection for the terms: 51st Pioneer Infantry. There are other results, but the terms were not adjacent.
Search the American Memory Collection for your ancestors’ military units, and see what you can find. Remember to search for other information about their lives and times in this collection.