The Fitness Maximized by the Classical Canonical Economy: A Theme from Houthakker and R.A. Fisher -- Income and Price Sensitivity in Consumer Demand Analysis -- Cross-Section Engel Curves, Expenditure Distributions and the "Law of Demand" -- Tests of Dynamic Specification and Homogeneity in a Demand System -- Specification and Estimation of Dynamic Demand Systems -- Remarks on the Power of Non-Parametric Tests of Consumer-Theory Hypotheses -- Brain Structure and Consumption Dynamics -- Corners in Organized Futures Markets -- Oil Futures and Strategic Stocks at Sea -- The Effect of Income and Prices on Protection and Rent Seeking in the U.S., 1950 - 1986 -- Introduction: Four Unpublished Papers by Hendrik S. Houthakker -- Are There Laws of Consumption? -- The Dynamics of Total Consumption and Savings -- On a Class of Dynamic Demand Functions -- Proposed Technique for Estimating Demand Functions from Time Series -- Publications of Hendrik S. Houthakker.