They are not store-only. You can find them in the Artisan Scholar Scroll Cases (purple name version) at the skirmish camp Crafting barterer, as well as from the mob-drop Artisan Scholar Scroll Cases (yellow name version).
Originally Posted by Schmidster
The skirmish camp version should only have crafting journal recipes, although there's no guarantee you'll get the one you're seeking; I believe the mob-drop version can drop other artisan-tier recipes as well as crafting journal recipes, so the chance you'll get the one you're looking for is slimmer.
The final alternative is to join the metalsmith's guild and forego any need for crafting journals in your metalsmithing; only Journeyman guild standing is necessary for artisan-tier guild recipes.
Join the LotRO Volunteer QA Team!
Use the [url="http://lotrobugs.turbine.com"][color=red]bug reporting tool[/color][/url] or type /bug in-game!*
[SIZE=1]*no rants please[/size]