Send an SASE with your request for price and availability. Catalog not available due to large stock. Send an SASE for price and availability. Include make and model of each unit. If he doesn't have what you are looking for, he will know who to point you to here in the land of Tektronix.
Most older manuals are available as fische only.
The paper versions are sky high if they're available. The source of the OEM Tek scope air filters is alive and well. If they don't have printed manuals anymore, they still try to stock the microfiche versions. But it could be old. Also HP and Tek repair parts and equipment on-line, plus helpful FAQs and links to all kinds of test gear sites.