I don’t remember exactly where this list is from, but it might come in handy someday.

Here is a collection of Google Adsense advice and help that I have assembled from the web. I hope you find it tremendously useful, for making money on the internet.

Starting up from scratch
Google Adsense - Quick Introduction
Google Adsense and Wordpress - Does it make cents? (Wordpress)
Starting your Adsense business with free blogs (Blogger/blogspot)
Google’s heat map

After that, try this post: How to make money with Google Adsense

General tips/collections Note that some tips are recycled
Google Information for Webmasters
Adsense tips for bloggers
Google Adsense Optimisation tips
Adsense secret tips and optimization tricks
Adsense tips to increase your revenue

Making money through Google Adsense
Top 10 ways to supercharge Adsense
Adsense tips for bloggers
Google Adsense tips
Google Adsense Information, hints, tips and examples
13 Ultimate Adsense tips collection
10 Adsense tips for maximum click-through rates
7 ways to get super Adsense income

Layout/placements:
Tips for better adsense ad layout
Don’t blind optimize your adsense
Adsense unit size tips
A short guide to ad sizes
Adsense loading order affects click value
Maximizing Profits With Website Design and Layout: Part II

Keywords
AdSense Tips: What Decides the Ads that Get Displayed?
Finding the highest paying adsense keywords

Search engine optimization
Search engine optimization basics: Improve your standing in search engines
Search Engine Optimization Tips for Blogs
Search Engine Optimization for Blogs - The Complete ProBlogger Guide to SEO
SEO tools for webdesigners

PHP or codes
HOW TO: Create intelligent blog ads
Split testing Adsense
Adsense tip: randomizing ads
Trying to boost Google Firefox referals program earnings
How to Get Immediate, Top Placement With Search Engines: A Pay-Per-Click Overview

Useful tools
Google Zeitgeist

Finding stop words
Chicklet Generator
Keyword selector tool
Keyword density checker
Overture bid tool

Other things you can do
Monetizing your blog archives
Putting adsense in your feed

Chasing pennies with Adwords
AlternateURL: Earn revenue from PSA ads!
Adsense revenue sharing

Things to consider
Can The Source of Your Traffic Affect Adsense Revenues?
Importance of a good Description
Using free information to earn big money with Google Adsense
Doubling Google Profits overnight

Maximised Adsense earning overnight
Understanding Adsense (Adsense as content)

Tax
Do I Have To Pay Taxes On My Ad Revenue?
It’s tax time! (Paying taxes on Adsense revenue)
Taxes on Adsense

Terms and conditions
Google AdSenseTM Online Standard Terms and Conditions
Adsense policies
Know thy Adsense terms and conditions
Common mistakes by Google adsense publishers (Full explanation here)

Preventive measures for Google Adsense ban

You Too Can Be Banned From AdSense With No Money Down (Enquire Within) Part 2 (Reinstating suspended Adsense account)

Other lists
Blog advertising programs A-Z
39 Google Adsense alternatives
Highest Paying Search Terms
High paying Adsense keywords updated

Websites that will help you

www.seospot.info for search engine optimization
www.problogger.net and www.performancing.com for blogging-related advice
adsensemaster.blogspot.com, one of many adsense-related blogs