史料 しりょう編纂 へんさんではありませんでした
shiryōhensandewārimasendeshita

Noun
Desu Copula
no-Adjective

The polite, past negative form of 史料編纂

1. Was not historical material compilation.; Was not compiling historical materials.

Past/Perfective
Negative
Polite
Formal Register