Columbia subject headings:
Birds--Nomenclature (Popular)
English language--Etymology--Names.
French language--Etymology--Names.
German language--Etymology--Names.
Harvard subject headings:
Birds--Nomenclature (Popular)
Birds--Nomenclature.
English language--Etymology--Names
French language--Etymology--Names.
German language--Etymology--Names.
Languages, Modern--Etymology
Names, German.
Princeton subject headings:
Birds--Nomenclature (Popular)
English language--Etymology--Names.
French language--Etymology--Names.
German language--Etymology--Names.