Roster and White pages

Roster noun - A record of a series of items (as names or titles) usually arranged according to some system.

White pages and roster are semantically related. In some cases you can use "White pages" instead a noun "Roster".

White pages noun - A telephone directory or section of a directory (usually printed on white paper) where the names of people are listed alphabetically along with their telephone numbers.

Roster and white pages are semantically related. Sometimes you can use "Roster" instead a noun phrase "White pages".