Ammi Visnaga Materia Medica
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Angelica Materia Medica
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Anise Materia Medica
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Balsam Poplar Materia Medica
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Basil Materia Medica
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Benzoin Materia Medica
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Bergamot Materia Medica
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Berkowsky's Synthesis Materia Medica/Spiritualis of Essential Oils
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Bitter Orange Materia Medica
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Black Pepper Materia Medica
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Black Spruce Materia Medica
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Blue Chamomile Materia Medica
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Blue Cypress Materia Medica
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Buchu Materia Medica
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Cacao Materia Medica
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Cajuput Materia Medica
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Calendula Materia Medica
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Camphor Materia Medica
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Caraway Materia Medica
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Cardamom Materia Medica
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