Figure 3From: Extracting scientific articles from a large digital archive: BioStor and the Biodiversity Heritage LibraryUsage of two names for the sperm whale over time. Approximate distribution over time of two alternative names for the sperm whale (Physeter catodon and Physeter macrocephalus) in items scanned by the Biodiversity Heritage Library. Date of publication was extracted from the StartYear and EndYear fields of the Title table (see Fig. 4) using regular expressions.Back to article page