Calendar parent containing the pre-1950 bucket and the 1950s through 1990s decades. Useful for coarse 20th- vs 21st-century comparisons.
Ranked by log-odds-ratio z-score — over-represented in this era vs. all other dated content, not just frequent overall. Drawn from publications and datasets only.
Ranked by log-odds-ratio z-score — over-represented in this era vs. all other dated content, not just frequent overall. Drawn from community / policy documents only.
Ranked by log-odds-ratio z-score — over-represented in this era vs. all other dated content, not just frequent overall.
Ranked by log-odds-ratio z-score — over-represented in this era vs. all other dated content, not just frequent overall.
Ranked by log-odds-ratio z-score — over-represented in this era vs. all other dated content, not just frequent overall.
Ranked by log-odds-ratio z-score — over-represented in this era vs. all other dated content, not just frequent overall.