(Borg\.ind\.12_([0-9]+)_fa_([0-9]+)([rv])_m\.jpg)
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<li>folio <a href="\1">fol_\3__\4</a> \(image \2\) \[Core folio\]</li>

(604 items)

(Borg\.ind\.12_([0-9]+)_cy_([0-9]+)([rv])_m\.jpg)
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<li>folio <a href="\1">fol_\3__\4</a> \(image \2\) \[Pre-Core folio\]</li>

(4 items)

(Borg\.ind\.12_([0-9]+)_sy_([0-9]+)([rv])_m\.jpg)
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<li>folio <a href="\1">fol_\3__\4</a> \(image \2\) \[Post-Core folio\]</li>

(4 items)