{"query": "Aurelius, Meditations 8.6: Every particular nature hath cont", "count": 2, "results": [{"id": "card_src_pd_standardblacksmi00holm", "title": "Standard blacksmithing, horseshoeing and wagon making / containing : twelve lessons in elementary blacksmithing, adapted to the demands of schools and colleges of mechanic arts ..", "shelf": "practical", "surface": "secular", "snippet": "Standard blacksmithing, horseshoeing and wagon making / containing : twelve lessons in elementary blacksmithing, adapted to the demands of schools and colleges of mechanic arts .. (1907). A book retur", "authority_tier": "reference", "source": "public domain (copyright expired)", "generated": false}, {"id": "card_span_5b9cfee15c39", "title": "IRON AND STEEL", "shelf": "sources", "surface": "secular", "snippet": "All commercial iron and steel contains carbon in varying \namoimts. Such characteristics as hardness, toughness and fusi- \nbility are determined by the amount of carbon contained in the \niron. The kind", "authority_tier": "primary_pd", "source": "Farm Blacksmithing (Friese, 1921)", "generated": false}]}