Rhubarb for Cholera, [180]
Ribbon, Fumigating, [366]
Ribbons for Typewriters, [711]
Rice Paste, [38]
Rifle Lubricants, [460]
Ring, How to Solder, [666]
Rings on Metal, Producing Colored, [582]
Riveting China, [179]
Roach Exterminators, [425]
Rock-candy Syrup, [702]