Below you find a list of links for different topics. Tips for other useful links are welcome.

Boot disks and other tools
https://www.bootdisk.com

List of partition types
https://www.win.tue.nl/~aeb/partitions

FAT32 File System Specification
(Version 1.03, December 6, 2000, Microsoft Corporation)
https://www.win.tue.nl/~aeb/linux/fs/fat/fatgen103.pdf