Globe Electric Vintage Edison 41-Watt EQ S60 Soft White Medium Base (e-26) Dimmable Incandescent Light Bulb (3-Pack) in the Decorative Light Bulbs department at Lowes.com
Industrial Geek to Industrial Chic: Vintage Light Bulbs Are Everywhere - WSJ
Feit Electric 60-Watt Equivalent ST19 Dimmable Spiral Filament Clear Glass E26 Vintage Edison LED Light Bulb, Soft White ST1960/S/CL927CAHDRP - The Home Depot