Abstract: A document holder or filing device comprising a rigid spine piece dimensioned to accommodate the spine of the binding of a book-like item to be filed, said spine piece having head and tail ends, and at least one finger at both head and tail ends dimensioned and movably disposed to engage the associated head and tail ends of the spine between themselves and the spine piece, first and second interlocking means so configured and disposed as to be engageable one with the other and, when engaged, prevent the further relative movement of the fingers and thereby maintain the book-like item captive within the holder, and resiliently distortable means biased so as to maintain said first and second interlocking means in engagement and manually distortable so as to permit the disengagement of the interlocking means and thereby the release of the binder from the document holder.