Company filings are essential for business research. While current filings are readily accessible, historical filings pose a challenge. Traditionally, researchers used physical archives, but digital collections are becoming available. We evaluated coverage and readability of the Security Exchange Commission (SEC) Historical Filings collection in Mergent Archives by comparing it to a large academic library microfiche collection. The digital Mergent Archives collection had high coverage for Annual Financial Reports, but we found gaps in certain years and filing types that could impede business researchers. Our findings provide insight into alternatives to physical SEC filing collections and a framework for comparing microfiche and digital collections.
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