As of Version 7.0, GeneralizedBarChart has been superseded by RectangleChart.
As of Version 7.0, PercentileBarChart has been superseded by BarChart.
As of Version 7.0, StackedBarChart has been renamed "Stacked" and become a property of BarChart.
In Version 6.0, GrotztschGraph has been superseded by GroetzschGraph.
In Version 6.0, NetworkFlowEdges has been superseded by NetworkFlow.
Polya
(Obsolete Combinatorica Package Symbol) In Version 6.0, Polya has been superseded by OrbitInventory.
As of Version 7.0, FindDivisions has been added to the built-in Mathematica kernel.
As of Version 7.0, DTFourierTransform has been renamed to FourierSequenceTransform and is part of the built-in Mathematica kernel.
As of Version 7.0, FourierCoefficient is part of the built-in Mathematica kernel.
As of Version 7.0, FourierCosCoefficient is part of the built-in Mathematica kernel.