Amazon.com : USA Gear DSLR Camera Sleeve Case (Tropical) with Neoprene Protection, Holster Belt Loop and Accessory Storage - Compatible With Nikon D3100, Canon EOS Rebel SL2, Pentax K-70 and More : Electronics
Nikon Digital Camera | Property Room
Micnova GPS-N3 Cable for Camera GPS for Nikon D3100 D3200 D5000 D5100 D7000 D90 D600 D7100 COOLPIX P7700
Nikon-D3100 : Free Download, Borrow, and Streaming : Internet Archive