Boost, Overdrive, Distortion & Fuzz Pedals - What's the Difference?...
Guitar Pedals: Boost Vs. Overdrive Vs. Distortion Vs. Fuzz – My New Microphone
Guitar Pedal X - GPX Blog - Pete Cornish's GC-1 Variable Soft and Hard Clipping Overdrive/Distortion Combines perfectly calibrated 3-Band EQ with a huge Gain Range of richly texture breakup tones
1977 Maxon OD-880 Soft Distortion Overdrive Vintage Guitar Effects Ped – Mike & Mike's Guitar Bar