here is a sample catalogue listing of a Quedlinburg und Leipzig book - I think..
38. [_____] Ettmuller, Ludwig. Vorda vealhstod Engla and Seaxna. Lexicon Anglosaxonicum ex poetarum scriptorumque prosaicorum operibus nec non lexicis anglosaxonicis collectum, cum synopsi grammatica. Quedlinburg & Leipzig: Gottfr. Basse; London: Williams & Norgate, 1851.
$425
First edition, 8vo, pp. lxxi, [1], 767; original printed wrappers; spine split for its entire length, but rather than reback and lose the original appearance, this copy is now housed in a new cloth clamshell box with leather label; except for the split, this copy in nice original condition, largely unopened. The 29th publication in a series entitled "Bibliothek der Gesamm-ten Deutschen National-Literatur." Anglo-Saxon to Latin dictionary, including a synopsis of the O.E. grammar in the introduction by the esteemed German philologist.
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http://www.rulon.com/Catpages/cat%20127/127Anglo.htm
So you may a little money there.
BTW, your best bet is to check with the Library of Congress.