This gallery example presents a LaTeX table that documents the data sources for four statistical variables—ethno-racial belonging, age, education level, and income—across four census years (1980, 1990, 2000, 2010). The table, defined using the `tabular` environment with `p{}` column specifications, cites specific U.S. Census files and American Community Survey datasets for each variable and year. It highlights the evolution of data collection methodologies, such as the shift from decennial census short-form and long-form data to the 5-year ACS estimates, showing how source provenance changes over time. The rendering relies on standard LaTeX table formatting (`\hline`, `\caption`) to structure the metadata clearly.