https://lb.wikibooks.org/wiki/Haapts%C3%A4it ==This subdomain is reserved for the creation of a Wikibooks in the Lëtzebuergesch language.== This subdomain is reserved for the creation of a Wikibooks in the Lëtzebuergesch language.https://lb.wikibooks.org/wiki/Haapts%C3%A4it#This_subdomain_is_reserved_for_the_creation_of_a_Wikibooks_in_the_Lëtzebuergesch_language. https://lb.wikibooks.org/wiki/Kachbuch = Gromperekichelcher = Gromperekichelcherhttps://lb.wikibooks.org/wiki/Kachbuch#Gromperekichelcher