I found the following image at Cardcow.com. I then copied the image URL (on a Mac, ctrl+click and select Copy Image URL).
|Image courtesy of Cardcow|
DeGraeve and Color Hunter provide a Hex value for each color. To get a Pantone value for each color, use the Color Picker in Adobe Photoshop. Be sure that Only Web Colors is not checked. Enter the Hex value and then click Color Libraries to get the appropriate Pantone color.
Online Sources of Vintage Paper Goods