The Library Missions and Evangelism brings together more than 100 items (magazines, books, brochures) on Missions and Evangelism, only material released by their authors, all in English. For samples, see…

Already Footpaths Library brings together more than 200 items (only in Portuguese) on the same topics:

The Library also keeps a library on Human Trafficking, with over 140 resources in English, Portuguese and Spanish:

There’s even a missionary blog (in Portuguese):

Valuable stuff.