Ade Weiss' The Joy of QRP.

VK3YE 10 steps to QRP success

QRP Calling Frequencies

There's a considerable overlap between QRP and homebrewing. Sure, many QRPers have commercial QRP equipment and many homebrew projects are not QRP, but still, homebrew and QRP do go together.

QRP Homebuilder archive (40 Mbyte PDF). See also Popcorn QRP.

Hambrew magazine.

Journal of the Northern California QRP Club

K7QO's website no longer exists. Here's his QRP Lab Notebook

The SPRAT Pixie File.

W7EKB's Glowbugs Web Pages.

Ashar Farhan VU3ICQ's BITX also available in kit form.

Michael J. Rainey AA1TJ -- if transistors are too high-power for you and you'd rather use tunnel diodes. Also, Pekka Ketonen OH1TV, OH1O, OH1WX.

AmQRP.org HOMEBREWER No. 5 -- The Handyman's Guide to Understanding Transistor Datasheets & Specifications by Paul Harden, NA5N.

Morsum Magnificat

From archive.org

• QRP Classics
• W1FB Design Notebook
• W1FB QRP Notebook
• Solid State Design for the Radio Amateur

Scans

• ZS5L's 1 2 3 QRP transceiver, Radio ZS September 1992
• Homebrew 20m SSB Transceiver from 73, January 1983
• Your first homebrew rig, the TWOFER, Ade Weiss, CQ June 1988
• Build your own 30m Transceiver, CQ June 1996
• Dual-purpose Battery Indicator, Radio ZS August 1978 (and if you can't find an LM3909...)