为数不多的欧洲文献宣扬着崇高理想；

The few European contributions proclaim lofty ideals;

youdao

在他去世时留下了大量的手稿，这些手稿被逐步卖给欧洲四处的收藏家，也许其中有相当多的文献不知所踪。

Because he left masses of papers when he died, and as they were gradually sold to various collections across Europe, many must have gone missing.

youdao

在2007年《朱鹭》杂志发表的回顾性研究中，研究人员查阅了回溯到19世纪后期的欧洲和北美洲鸟类期刊和其他的参考文献。

In a review study published in 2007 in the journal Ibis, researchers looked through European and North American bird journals and other references dating back to the late 19th century.

youdao