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I'm no MARC expert, but I've learned enough to say that yes, this is valid in that what you're seeing is the $q (Electronic format type) and $u (Uniform Resource Identifier ) subfields of the 856 field. http://www.oclc.org/bibformats/en/8xx/856.shtm You'll see other things when you get multiple authors (creators) on an item or multiple anythings that can occur more than once. --Joel Joel Richard IT Specialist, Web Services Department Smithsonian Institution Libraries | http://www.sil.si.edu/ (202) 633-1706 | [log in to unmask] On May 19, 2011, at 12:37 PM, James Lecard wrote: > I'm using ruby-marc ruby parser (v.0.4.2) to parse some marc files I get > from a partner. > > The 856 field is splitted over 2 lines, causing the ruby library to ignore > it (I've patched it to overcome this issue) but I want to know if this kind > of marc is valid ? > > =LDR 00638nam 2200181uu 4500 > =001 cla-MldNA01 > =008 080101s2008\\\\\\\|||||||||||||||||fre|| > =040 \\$aMy Provider > =041 0\$afre > =245 10$aThis Subject > =260 \\$aParis$bJ. Doe$c2008 > =490 \\$aSome topic > =650 1\$aNarratif, Autre forme > =655 \7$abook$2lcsh > =752 \\$aA Place on earth > =776 \\$dParis: John Doe and Cie, 1973 > =856 \2$qtext/html > =856 \\$uhttp://www.this-link-will-not-be-retrieved-by-ruby-marc-library > > Thanks, > > James L.