числившихся

числившихся

"Considered as belonging" or "listed as."

Here, 'числившихся' is used as a participle, describing people who were recorded or listed in a particular state (missing).

Он изучал списки людей, числившихся пропавшими.

He studied the lists of people who were listed as missing.

In this sentence, 'числившиеся' refers to books that were noted or registered in a catalog, indicating their status as recorded items.

Книги, числившиеся в библиотечном каталоге, оказались утерянными.

The books that were recorded in the library catalog turned out to be lost.

Here, 'числившиеся' describes employees who were officially recorded or recognized as holding a position in the company.

Сотрудники компании, числившиеся на должности, не все посещали офис.

Not all employees of the company, who were listed as holding a position, attended the office.