| Orientaciones astronómicas en la arquitectura prehispánica del centro de México I Sprajc Instituto Nacional de Antropología e Historia, 2001 | 111 | 2001 |
| Venus, lluvia y maíz: simbolismo y astronomía en la cosmovisión mesoamericana I Šprajc (No Title), 1996 | 91* | 1996 |
| Astronomical alignments at Teotihuacan, Mexico I Šprajc Latin American Antiquity 11 (4), 403-415, 2000 | 62 | 2000 |
| The Venus-rain-maize complex in the Mesoamerican world view: Part I I Šprajc Journal for the History of Astronomy 24 (1-2), 17-70, 1993 | 62 | 1993 |
| Early Maya Astronomy and Urban Planning at El Mirador, Peten, Guatemala I Šprajc, C Morales-Aguilar, RD Hansen Anthropological Notebooks 15 (3), 2009 | 47 | 2009 |
| Margin for error: Anthropogenic geomorphology of Bajo edges in the Maya lowlands NP Dunning, AA Hernández, T Beach, C Carr, R Griffin, JG Jones, ... Geomorphology 331, 127-145, 2019 | 45 | 2019 |
| Astronomical significance of architectural orientations in the Maya Lowlands: A statistical approach AC González-García, I Šprajc Journal of Archaeological Science: Reports 9, 191-202, 2016 | 45 | 2016 |
| Reconocimiento arqueológico en el sureste del estado de Campeche, México: 1996-2005 I Šprajc Archaeopress, 2008 | 45 | 2008 |
| More on Mesoamerican cosmology and city plans I Šprajc Latin American Antiquity 16 (2), 209-216, 2005 | 41 | 2005 |
| Astronomy, architecture, and landscape in Prehispanic Mesoamerica I Šprajc Journal of Archaeological Research 26, 197-251, 2018 | 40 | 2018 |
| Orientaciones astronómicas en la arquitectura maya de las tierras bajas, sustentadas con información de tipo etnográfico, histórico e conográfico PFS Nava, I Šprajc Instituto Nacional de Antropología e Historia, 2018 | 34 | 2018 |
| La estrella de Quetzalcóatl: el planeta Venus en Mesoamérica I Šprajc (No Title), 1996 | 34 | 1996 |
| Ancient Maya water management, agriculture, and society in the area of Chactún, Campeche, Mexico I Šprajc, NP Dunning, J Štajdohar, QH Gómez, IC López, A Marsetič, ... Journal of Anthropological Archaeology 61, 101261, 2021 | 30 | 2021 |
| Astronomía en la arquitectura de Chichén Itzá: una reevaluación I Šprajc, PFS Nava Estudios de cultura maya 41 (41), 31-60, 2013 | 29 | 2013 |
| Problema de ajustes del año calendárico mesoamericano al año trópico I Sprajc Anales de Antropología 34 (1), 2000 | 29 | 2000 |
| Maya sites and monuments in SE Campeche, Mexico I Šprajc Journal of field archaeology 29 (3-4), 385-407, 2004 | 28 | 2004 |
| Alignments upon Venus (and other planets)–Identification and analysis I Šprajc Handbook of archaeoastronomy and ethnoastronomy, 507-516, 2015 | 21 | 2015 |
| Astronomical and cosmological aspects of Maya architecture and urbanism I Sprajc Cosmology across cultures 409, 303, 2009 | 20 | 2009 |
| Astronomical alignments at the Templo Mayor of Tenochtitlan, Mexico I Šprajc Journal for the History of Astronomy 31 (25), S10-S40, 2000 | 20 | 2000 |
| Astronomical aspects of Group E-type complexes and implications for understanding ancient Maya architecture and urban planning I Šprajc Plos one 16 (4), e0250785, 2021 | 18 | 2021 |
