Linked from
The 121 pages that link to Weimar Republic, each with the reason it gives.
Erich LudendorffNarrower topic: Ludendorff’s postwar agitation challenged the republic’s legitimacy.
Weimar ConstitutionNarrower topic: The constitution supplied the legal framework for this republic.
ReichstagNarrower topic: The Reichstag was its elected national legislature.
Kurt WeillNarrower topic: Weill’s early successes emerged amid its volatile arts and political life.