In addition to the product descriptions under each product listing (click on the product), here is a handy reference.
Compare to Eastman Plus X (80 ASA)
Compare to Eastman Double X (250 ASA)
Compare to Eastman Fine Grain Duplicating Positive Film 2366/3366
Compare to Eastman Fine Grain Duplicating Panchromatic Negative Film ESTAR Base 2234/3234
Compare to Kodak Black-and-White Print Film 2302/3302
Compare to the Eastman Sound Recording Film 2378/3378, Orthochromatic, grey base, / Compare to the Kodak Panchromatic Sound Recording Film 2374/3374 pananchromatic, grey ESTAR base / Compare to the Kodak Panchromatic Sound Recording Film 2376 panchromatic, clear ESTAR base