The Library of Congress > Linked Data Service
  Label Vocabulary Concept Subdivision Identifier
41. Catalogs and collections LC Subject Headings (LCSH)
Topic General Subdivision sh2006008264
42. Colonization LC Subject Headings (LCSH)
Topic General Subdivision sh99005562
43. Cultural control LC Subject Headings (LCSH)
Topic General Subdivision sh99005454
44. Breeding LC Subject Headings (LCSH)
Topic General Subdivision sh99004865
45. Effect of turbidity on LC Subject Headings (LCSH)
Topic General Subdivision sh00005017
46. Effect of water pollution on LC Subject Headings (LCSH)
Topic General Subdivision sh00005021
47. Hybridization LC Subject Headings (LCSH)
Topic General Subdivision sh2004006349
48. Age determination LC Subject Headings (LCSH)
Topic General Subdivision sh99002261
Determination of age
49. Embryos LC Subject Headings (LCSH)
Topic General Subdivision sh00005879
50. Effect of volcanic eruptions on LC Subject Headings (LCSH)
Topic General Subdivision sh00005019
51. Adaptation LC Subject Headings (LCSH)
Topic General Subdivision sh99002116
52. Effect of fires on LC Subject Headings (LCSH)
Topic General Subdivision sh00004609
Effect of wildfires on
53. Integrated control LC Subject Headings (LCSH)
Topic General Subdivision sh99005641
54. Aging LC Subject Headings (LCSH)
Topic General Subdivision sh99002263
55. Equipment and supplies LC Subject Headings (LCSH)
Topic General Subdivision sh00005850
Supplies ; Apparatus and supplies ; Apparatus ; Apparatus and equipment
56. Physiology LC Subject Headings (LCSH)
Topic General Subdivision sh99005103
57. Processing LC Subject Headings (LCSH)
Topic General Subdivision sh00006474
58. Technological innovations LC Subject Headings (LCSH)
Topic General Subdivision sh2001009095
Innovations, Technological
59. Germplasm resources LC Subject Headings (LCSH)
Topic General Subdivision sh00005923
60. Ecophysiology LC Subject Headings (LCSH)
Topic General Subdivision sh99005753


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