Refine My Results

Creation Date 

1. Before 1957  (7,307)
2. 1957 To 1973  (2,746)
3. 1974 To 1990  (9,879)
4. 1991 To 2008  (113,507)
5. After 2008  (184,836)
6. More options 

New Records 

1. New From Last Month  (1,175)
2. New From Last 3 Month  (2,583)
3. More options 

Resource Type 

1. Articles  (180,827)
2. magazinearticle  (79,479)
3. Newspaper Articles  (18,380)
4. Reviews  (10,077)
5. Book Chapters  (8,474)
6. Images  (5,568)
7. Audio  (4,454)
8. Patents  (3,081)
9. Reports  (3,016)
10. Thesises (postgraduate)  (1,853)
11. Books  (1,388)
12. References  (1,083)
13. Web Resources  (1,020)
14. Newsletter Articles  (669)
15. Conference Proceedings  (520)
16. Drawing/Maps  (287)
17. Text Resources  (274)
18. Datasets  (213)
19. Government Documents  (140)
20. Archival Material / Manuscripts  (102)
21. Journals  (34)
22. More options 

Subject 

1. Science & Technology  (110,446)
2. Life Sciences & Biomedicine  (88,518)
3. Environmental Sciences & Ecology  (40,261)
4. Ecology  (33,822)
5. Physical Sciences  (21,615)
6. Animals  (20,213)
7. Environmental Sciences  (19,207)
8. Biological And Medical Sciences  (15,980)
9. Biodiversity  (14,833)
10. Climate Change  (14,329)
11. Forests  (14,237)
12. Vegetation  (14,183)
13. Fundamental And Applied Biological Sciences. Psychology  (14,142)
14. Forestry  (12,706)
15. Agriculture  (12,700)
16. Humans  (12,607)
17. Ecosystems  (12,038)
18. Life Sciences  (12,022)
19. Science & Technology - Other Topics  (11,433)
20. Trees  (11,264)
21. More options 

Author/Creator 

1. Sparkman, Rick  (17)
2. A. Martin Byers  (1)
3. Sparkman, Rick  (1)
4. More options 

Databases 

1. ProQuest Central  (234,780)
2. DOAJ Directory of Open Access Journals  (52,388)
3. ROAD: Directory of Open Access Scholarly Resources  (43,764)
4. GFMER Free Medical Journals  (32,184)
5. MEDLINE  (31,464)
6. PubMed Central  (27,246)
7. Wiley-Blackwell Open Access Titles  (10,265)
8. Europeana Collections  (9,772)
9. Ebook Central - Academic Complete  (8,538)
10. Springer Nature OA/Free Journals  (7,673)
11. HighWire Press (Free Journals)  (6,675)
12. ProQuest One Psychology  (5,143)
13. Public Library of Science (PLoS)  (4,617)
14. Freely Accessible Journals  (4,285)
15. JSTOR Early Journal Content  (4,135)
16. Coronavirus Research Database  (3,336)
17. Nature Open Access  (3,060)
18. U.S. Government Documents  (2,783)
19. Hyper Article en Ligne (HAL) (Open Access)  (2,613)
20. IngentaConnect Free/Open Access Journals  (2,189)
21. More options 

Language 

1. English  (317,544)
2. Japanese  (15,214)
3. German  (1,292)
4. Portuguese  (1,278)
5. French  (1,157)
6. Chinese  (816)
7. Spanish  (779)
8. Norwegian  (196)
9. Italian  (195)
10. Czech  (170)
11. Polish  (159)
12. Russian  (150)
13. Slovenian  (118)
14. Slovak  (113)
15. Dutch  (84)
16. Swedish  (84)
17. Croatian  (60)
18. Korean  (58)
19. Catalan  (47)
20. Turkish  (44)
21. More options 

Journal Title 

1. Farmers Weekly  (2,569)
2. Joe Weider's Muscle & Fitness  (12,560)
3. New York Times  (5,658)
4. Plos One  (4,187)
5. Shape  (24,349)
6. Sustainability  (2,119)
7. The Columbian  (4,863)
8. The Gazette  (2,929)
9. The Washington Post  (2,887)
10. Total Health  (2,305)
11. More options