Have you heard of PERSI, short for the PERiodical Source Index? I recently used this amazing resource to discover an article about a very specific research question. If you've heard of PERSI, but not known how to use it, today I'll be sharing 4 steps to get you started. First of all, a little background on PERSI. For over a hundred years, genealogy articles have been written and published by thousands of societies and organizations worldwide. These publications are often titled "quarterlies" because four would be produced each year, or quarterly. Members of the society or organization would receive the...