{'fraction_non_alphanumeric': 0.018134715025906734, 'fraction_numerical': 0.0038860103626943004, 'mean_word_length': 5.901785714285714, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Geoscience Encyclopedias and Their Potential for Classroom Instruction

Encyclopedias, especially those focusing on a single subject or narrow range of topics, are important but underused library resources. Encyclopedic consultation is often viewed as an academic weakness. It can, however, be viewed as an academic strength and effectively incorporated into instructional programs. Since this article is written from a librarian's perspective, it is not suggestive of specific instructional techniques. Instead, it addresses the difficulties that can arise in identifying titles appropriate for instructional purposes. Using a combination of methods, a list was derived of approximately 250 geoscience related encyclopedias that are available in North American libraries.