@misc{vonbaer182818881,
    author = "von Baer, K. E",
    title = "-1888, ber Entwicklungsgeschichte der Thiere",
    year = "1828",
    howpublished = "Knigsberg, Borntrger",
    note = "talkorigins\_source = {true}; raw\_reference = {von Baer, K. E., 1828-1888, ber Entwicklungsgeschichte der Thiere: Knigsberg, Borntrger.}"
}

@misc{kölliker1861entwicklungsgeschichte,
    author = "Kölliker, Albert",
    title = "Entwicklungsgeschichte des Menschen und der höheren Thiere",
    year = "1861",
    url = "https://doi.org/10.5962/bhl.title.51251",
    doi = "10.5962/bhl.title.51251"
}

@misc{kölliker1876entwicklungsgeschichte,
    author = "Kölliker, Albert",
    title = "Entwicklungsgeschichte des Menschen und den höheren Thiere",
    year = "1876",
    url = "https://doi.org/10.5962/bhl.title.51250",
    doi = "10.5962/bhl.title.51250"
}

@misc{kölliker1879entwicklungsgeschichte,
    author = "Kölliker, Albert",
    title = "Entwicklungsgeschichte des Menschen und der höheren Thiere",
    year = "1879",
    url = "https://doi.org/10.5962/bhl.title.1894",
    doi = "10.5962/bhl.title.1894"
}

@misc{kölliker1884grundriss,
    author = "Kölliker, Albert",
    title = "Grundriss der Entwicklungsgeschichte des Menschen und der höheren Thiere. Für Studierende und Ärzte",
    year = "1884",
    url = "https://doi.org/10.5962/bhl.title.987",
    doi = "10.5962/bhl.title.987"
}

@misc{korschelt1890lehrbuch,
    author = "Korschelt, E. and Heider, K.",
    title = "Lehrbuch der vergleichenden Entwicklungsgeschichte der wirbellosen Thiere",
    year = "1890",
    url = "https://doi.org/10.5962/bhl.title.11108",
    doi = "10.5962/bhl.title.11108"
}

@article{crossref1903lehrbuch,
    title = "Lehrbuch der vergleichenden Entwicklungsgeschichte der wirbellosen Thiere",
    year = "1903",
    journal = "Nature",
    url = "https://doi.org/10.1038/068523a0",
    doi = "10.1038/068523a0",
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}

@article{mcm1903lehrbuch,
    author = "McM, J. P.",
    title = "Lehrbuch der vergleichenden Entwicklungsgeschichte der wirbellosen Thiere",
    year = "1903",
    journal = "Science",
    url = "https://doi.org/10.1126/science.17.440.906",
    doi = "10.1126/science.17.440.906",
    number = "440",
    pages = "906-906",
    volume = "17"
}

@article{crossref1909lehrbuch,
    title = "Lehrbuch der vergleichenden Entwicklungsgeschichte der wirbellosen Thiere",
    year = "1909",
    journal = "Nature",
    url = "https://doi.org/10.1038/081511a0",
    doi = "10.1038/081511a0",
    number = "2087",
    pages = "511-511",
    volume = "81"
}

@article{crossref1911lehrbuch,
    title = "Lehrbuch der vergleichenden Entwicklungsgeschichte der wirbellosen Thiere",
    year = "1911",
    journal = "Nature",
    url = "https://doi.org/10.1038/086203a0",
    doi = "10.1038/086203a0",
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}