marc_leader_get_info("00000cam a22000008i 4500")
# record_type bib_level
#
# 1: Language Material Monograph/Item
# vectorized
marc_leader_get_info(c("00000cam a2200000Ma 4500", NA,
"00000cem a2200000Ma 4500"))
# record_type bib_level
#
# 1: Language Material Monograph/Item
# 2:
# 3: Cartographic material Monograph/Item
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