Second Merseburg Charms written in the 9th/10th century possibly written in the abbey of Fulda, Germany.
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Phol ende uuodan uuorun zi holza.
du uuart demo balderes uolon sin uuoz birenkit.
thu biguol en sinthgunt, sunna era suister;
thu biguol en friia, uolla era suister;
thu biguol en uuodan, so he uuola conda:
sose benrenki, sose bluotrenki, sose lidirenki:
ben zi bena, bluot si bluoda,
lid zi geliden, sose gelimida sin![14]
Phol and Wodan were riding to the woods,
and the foot of Balder's foal was sprained
So Sinthgunt, Sunna's sister, conjured it;
and Frija, Volla's sister, conjured it;
and Wodan conjured it, as well he could:
Like bone-sprain, so blood-sprain,
so joint-sprain:
Bone to bone, blood to blood,
joints to joints, so may they be glued.[15]
https://en.wikipedia.org/wiki/Merseburg_charms
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Perhaps not before but maybe Snorriless influence is in Continental Europe, where he is thought to be associated with the concept of the Wild Hunt.
(This concept also exists in other places, Scandinavia, France, ect.)
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An abundance of different tales of the Wild Hunt have been recorded in Germany. The leader, often called der Schimmelreiter,[30] is generally identified with the god Wodan,[4] but sometimes with a feminine figure: the wife of Odin, Holda ('the friendly one'; also Holle or Holt), Fru Waur, or Fru Gode in Northern Germany; or Perchta (the bright one; also Berchta, Berhta or Berta) in Southern Germany.
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https://en.wikipedia.org/wiki/Wild_Hunt#CITEREFGreenwood2008
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He's usually associated with a triad, where he is placed/invoked in the middle (most important?).
From Runic Amulets and Magic Objects. By Mindy Macleod and Bernard Mees.
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The Nordendorf Brooch dated to the 6th Century. Nordendorf, Germany. pg. 17
Logaþore, Wodan, wigi-þonar. Awa Leubwinnii.
Lodur?, Wodan, blessing-Thor. Awa (Pet name) Leubwinni (Possible nickname).
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Human skull found at Ribe, Denmark dated to around 725. pg. 25
Ulfr auk Odinn, auk Hotyr, hialp Buri es, vidr þaeima: vaerki auk dvaergynni Bur.
Ulf and Odin, and High-Tyr, is help for Bur, against these: pain and dwarf-stroke. Bur (carved).
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Other inscriptions.
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Norwegian rune stick. Late 12th century. Pg.30
Heill se þu, þorr þik þiggi, Odinn þik eigi.
Hail to you, May Thor receive you, may Odin own you.
There is another which Odin is invoked but they are part of a curse which I won't write down but you can find them on page 217.
https://www.amazon.com/Runic-Amulets-Magic-Objects-MacLeod/dp/1843832054
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That's all I got. I read in some other places about Wodan/Odin's name associated with the husband of the Goddess/Folktale of Holda or her variants in Germany/Austria/Switzerland but I cannot remember where I found them.
There are many, and you might get as many recommendations, if you want historical this is an academic treatment of the subject, there are free PDF’s available online, but you will have to find them yourself. Here is the book on Amazon.
MacLeod-Runic Amulets Magic Objects
If you are looking for what many will recommend, it will be these two books, however they utilize the scholarship of those with some problematic views.