| COUL PG OP DE (1934) Short announcements: White-spotted Bluethroat Luscinia svecica cyanecula at Halfweg. LIMOSA 7 (1): 54-54.
 White-spotted Bluethroat Luscinia svecica cyanecula White-spotted Bluethroat Luscinia svecica cyanecula at Halfweg
 
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