The Creative Sound Blaster 16 is a sound card that needs no introduction, it's one of the most famous sound cards and that's because it's one of the most compatible ones while offering great sound quality and midi capabilities. I've had many computers with this sound card and I love it!
These are the drivers for the Realtek RTL8169 Ethernet Card, this is probably one of the most versatile, reliable and compatible network chipset, I always use them in my retro-computers and I highly recommend them.
This contains a floppy image with the CD-ROM drivers for DOS, you can either write it to a floppy disk, add it to a usb flash drive to be used with a floppy emulator or extract it using a piece of software like WinImage.