urn:cts:dracor:gerdracor.birch_pfeiffer_die_grille:
urn:cts:dracor:gerdracor.birch_pfeiffer_die_walpurgisnacht:
urn:cts:dracor:gerdracor.birch_pfeiffer_in_der_heimath:
urn:cts:dracor:gerdracor.birch_pfeiffer_johannes_gutenberg:
urn:cts:dracor:gerdracor.birch_pfeiffer_mutter_und_tochter:
urn:cts:dracor:gerdracor.birch_pfeiffer_pfeffer_roesel:
urn:cts:dracor:gerdracor.birch_pfeiffer_vatersorgen: