http://hdl.handle.net/123456789/2879 Mon, 13 Apr 2026 17:04:25 GMT 2026-04-13T17:04:25Z http://hdl.handle.net/123456789/2885 Title: Cover Page http://hdl.handle.net/123456789/2885 http://hdl.handle.net/123456789/2884 Title: List of Perodicals Indexed with Abbreviations used http://hdl.handle.net/123456789/2884 http://hdl.handle.net/123456789/2883 Title: List of Subject Headings http://hdl.handle.net/123456789/2883 http://hdl.handle.net/123456789/2882 Title: Subject and Author Index http://hdl.handle.net/123456789/2882