This is a question that we get a few times each day that we are working in our booth at the art shows and it is a fair question. Sometimes the question becomes a bigger part of the conversation than the lamps themselves. It is kind of funny that I have to remind people that it's "Love your lamp and choose your bulb". Every lamp goes home with the bulb that the individual customer selects as what they believe is the coolest bulb for that particular lamp.
So, we keep with us a variety of both incandescent and LED bulbs in lots of different glass shapes and filament designs along with a choice of wattage brightness. Some customers struggle more with choosing the bulb than they do with selecting the lamp. I just try not to laugh out loud through this torturous experience.
Here is a quick link to get started keeping in mind that there are many places to get them, also noting that although they are currently available in a wide assortment, they are not necessarily as expensive as one might think. And sometimes "Free Shipping" is available.
On an even larger scale, many people are using these vintage style light bulbs in many areas of the home. It does give a nice warm feel to a room that doesn't require bright lighting.
Edison and Vintage Style Filament Light Bulbs