Then why don't they do so ? Anyone at all (including you) is free to scan journals that are in the public domain and publish them online for free. If you scan/

Then why don't they do so ? Anyone at all (including you) is free to scan journals that are in the public domain and publish them online for free. If you scan/ocr them then there are many places (including Project Gutenberg and archive.org) who will host them for you.