Pages for reference

Internal:

• Wikipedia:Writing better articles
• Wikipedia:Citation templates
• User:Zach425/vandalism - templates for warnings on vandalism etc.
• Help:Special page
• User:Zach425/sandbox
• Recent changes by non-registered users
• Special:OldReviewedPages - list of pages with pending changes

External:

• Wikipedia page traffic reports
• Wikiblame historical search of text on pages
• Contribs from an IP range
• Whois search from DomainTools
• MediaWiki:
  • InputBox request
• User info from Wikichecker

Wikipedia tools:

• Template:Str rep - Wikipedia's version of #replace
• Template:Strip whitespace
• Rollback feature
• Tools from Betacommand