It currently contains more than 13 million volumes, manu scripts, and microfilms.

目前，它包含超过13万册，手稿，以及缩微胶片。

youdao

Doctoral theses and dissertations are not available from University Microfilms International or a national repository or even the institution's own library, if it has one.

无法在国际或国内的论文库里查询到该校学生的博士学位论文，甚至在它自己的图书管里也查不到——如果它有图书馆的话。

youdao

But he imagined it all being done using microfilms and electric sensors and mechanics because he didn't have computers and he didn't have the internet then, and then Ted Nelson invented the idea of hypertext.

BBC: NEWS | Technology | Net guru peers into web's future

When the 1930 Census records and those from earlier decades were released, searches largely were confined to people able to trek to National Archives facilities and depository libraries to work through microfilms produced by the Census Bureau in the 1930s and 40s.

CNN: Why the huge interest in the 1940 Census?