Where can I find more info on Tubes?

Where can I find more info on...

The RCA Receiving Tube Manual (various editions)
http://www.pmillett.com/tube_data.htm
http://www.nmr.mgh.harvard.edu/~reese/RC10/
http://www.bunkerofdoom.com/tubes/rc25/contents.html
Online RCA Receiving Tube Manual

THE AX84 AMP (REV 10)- THEORY OF OPERATION
http://ax84.com/media/ax84_m35.pdf

Abbreviations used in tube data sheets
http://www.r-type.org/static/help.htm

Amplates' Tube Pinout Guide
http://www.amplates.com/images/AmplatesTubePinouts.pdf

BIAS, What is it?
http://tubedepot.com/whisbipo.html
http://www.geofex.com/tubeampfaq/TUBEFAQ.htm#bias
http://www.aikenamps.com/WhatIsBiasing.htm
http://www.aikenamps.com/BackBiasing.html
http://www.aikenamps.com/Biasing.html
http://www.duncanamps.com/technical/lvbias.html
http://www.el34world.com/charts/fenderservice5.htm

Blue Glow Tube FAQ
http://www.netads.com/~meo/Guitar/Tubes/blue_glow.html

Cathodes: Understanding the Common Cathode, Triode Gain Stage
note: see page 27 for shelving freq rolloff
http://www.freewebs.com/valvewizard1/Common_Gain_Stage.pdf
http://www.freewebs.com/valvewizard2/LoadLinePlotter.xls

Class A, What Is It?
http://www.mesaboogie.com/US/Smith/ClassA-WebVersion.htm

Glossary of common amplifier terms
http://www.aikenamps.com/AmpTerms.html
http://www.diystompboxes.com/pedals/tubedummy.html
http://www.tubefreak.com/tubefaq.htm
http://www.about-guitar-amps.com/guitar_amps_terms_explained.html#Sag

Guide to Tube Type Numbering System
http://people.cs.uu.nl/gerard/RadioCorner/Articles/TubeTypes.htm

Heater Filament Voltage vs Tube Life Chart
http://www.tone-lizard.com/images/Tremaine.gif

History of Tubes, Construction and Operation, Tube Data Sheets, and
General Tube Theory

Radiotron designers handbook 3rd edition - 16 mb
Radiotron designers handbook 4th edition - 25 mb
http://www.freewebs.com/valvewizard/
http://www.vacuumtubes.net/How_Vacuum_Tubes_Work.htm
http://www.lh-electric.4t.com/tbprimer.html
http://www.pentodepress.com/index.html
http://www.r-type.org/static/museum.htm
http://r-type.org/static/mull-cir.htm

Schematic Tube Symbols for DIY schematics
http://www.wattkins.com/files/wattkins/TubeAmpSymbols.gif

Simple Preamp Tube Gain Calculations for Triode, Pentode, and PI
http://www.triodeel.com/gaincalc.htm

The Diodes
Tube Rectifier Comparison Chart

The Triodes
Understanding the Common-Cathode, Triode Gain Stage. By the Valve Wizard
http://www.r-type.org/static/grid01.htm
Choosing Preamp tubes by Gain Factor
How to Measure Preamp Tube Gain? - The SEwatt Repair & Maintenance Thread

The Pentodes
http://www.freewebs.com/valvewizard/pentode.html
http://www.r-type.org/static/grid03.htm

The Beam Tetrodes
http://www.r-type.org/static/grid14.htm

The Other Tube Electrode Structures
http://www.r-type.org/inx/type.htm
http://locofonic.alphalink.com.au/valves.htm#indest

The Screen Grids
http://www.webace.com.au/~electron/tubes/screens.htm

The Tube Data Sheets
http://tdsl.duncanamps.com/tubesearch.php
http://datasheets.electron-tube.net/index.html
http://tubedata.itchurch.org/other/docs/MK-RT.pdf
http://www.g8wrb.org/complete-list.php
http://www.valve-museum.org/
http://www.nj7p.org/Tube.php
http://www.tubecollector.org/index.shtml
http://www.drtube.com/tubedata.htm
http://www.tubedata.info/
http://www.triodeel.com/tubedata.htm
http://www.pmillett.com/tube_data.htm
http://www.jj-electronic.sk/

More tube FAQ's
http://www.geofex.com/tubeampfaq/tafaqndx.htm