Findings:

• Classification
• Biological system of classification
• Hynek Classification System
• Classification of Bones
• Dewey Decimal Classification and Relative Index
• Library of Congress Classification System
• classification system
• Yerkes Spectral Classification
• Classification and Regression Trees
• classification theorem of finite simple groups
• Poetry Break between Drug Classifications
• Paradoxes in Classification Systems
• Harvard classification system
• protein classification
• ACM Classification Scheme
• Using Asteroids to explain the topological classification of 2-manifolds
• Draft Board Classifications
• Classification and Rating Administration
• Classification of Car Fish Emblems
• Rain Classifications
• General Classification
• Hubble classification system
• Yerkes classification system
• Physics and Astronomy Classification Scheme
• Saint-Emilion Classification
• US Fencing Classification System
• Classification of chemical reactions
• UK drug classification
• Vallee Classification System
• Classification of Neurons
• United States mail classifications
• Global Industry Classification Standard
• The Faceted Television Episode Guide-O-Matic Classification Scheme
• Koppen climate classification system
• Airspace classifications
• Universal Decimal Classification
• IUGS classification of plutonic igneous rocks
• Finnish Board of Film Classification
• Lipid classification
• Classification of dinosaurs
• Pennsylvania Railroad locomotive classification
• rocket motor classification
• Standard Occupational Classification
• Soil classification
• Ski trail difficulty classifications
• Australian film and literature classification system
• Hazard Classification Code
• Australian Standard Geographical Classification Main Structure
• Bordeaux wine classification
• Power Classification
• Classification of Saints
• Income tax
• sales tax
• tax write-off
• tax
• Regressive tax
• Progressive tax
• tax evasion
• tax shelter
• Federal Income Tax Code
• cell tax
• Income tax refund
• Your tax dollars hard at work
• tax dollars
• tax exile
• A joke about tax collectors
• property tax
• stupid tax
• flat tax
• poll tax
• Tax cuts for the rich
• Estate tax
• state tax
• Federal Tax
• tax resister
• First Federal income tax
• The E-mail tax hoax
• sidewalk tax
• How to get the best value for your tax dollar
• Withholding tax
• Who to call at the IRS when you cannot pay your tax bill
• On Killing a Tax Collector
• Tobin Tax
• Inheritance Tax
• Marijuana Tax Act
• Faith-based tax deductions
• tax haven
• death tax
• American obsession with tax
• alternative minimum tax
• Iowa Drug Tax Stamp
• sin tax
• Marihuana Tax Act
• Fuel Tax
• Tax Avoiders
• The Microsoft Tax
• Give your tax refund to charity
• foreigner tax
• The Tax Inspector
• tax incentive
• Excise tax
• graduated income tax
• Byron Low Tax Looper
• Investment tax credit
• The power to tax is the power to destroy
• A Little Tax Advice for U.S. Writers
• Council Tax
• Strategy tax
• Tax Freedom Day
• Air Travellers Security Tax
• Pigovian tax
• Hearth Tax
• Window Tax
• Single Tax
• tax roll
• Value Added Tax
• tax dodge
• super tax
• tax farming
• hat tax
• Direct Tax
• Indirect Tax
• Tax Freedom Project
• Masculinity tax
• The lottery is a tax on stupid people
• The lottery is a tax on hope
• tax protester
• negative income tax
• Church Tax Evasion in Mexico
• unauthorized substance tax
• Child tax credit
• Tax vs. Fee
• Tax certificate
• The Music Tax System
• Rock 'n Roll Tax Preparation
• Carbon tax
• "Make the tax cuts permanent" is a phony issue.
• Windfall tax
• The Federal Tobacco Tax
• 10p Tax Row
• British Income Tax System
• Fair Tax
• Capital Gains Tax
• Tax avoidance
• Use Tax
• Tax return
• Tax Cuts Won't Reduce the Deficit
• tax loss harvesting
• expatriation tax
• On Starbucks and Corporation Tax
• Unregulated derivatives are a secret tax imposed by Wall Street on all goods and services
• Inflation tax
• Pink Tax
• wealth tax
• Harberger tax

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