diff --git a/src/aspire/downloader/data_fetcher.py b/src/aspire/downloader/data_fetcher.py
index 992298a4e1..a22529a690 100644
--- a/src/aspire/downloader/data_fetcher.py
+++ b/src/aspire/downloader/data_fetcher.py
@@ -288,6 +288,104 @@ def emdb_6458():
     return vol
 
 
+def emdb_14803():
+    """
+    Downloads the EMDB-14803 volume map and returns the file path.
+
+    This molecule exhibits D3 symmetry.
+
+    :return: A 'Volume' instance.
+    """
+    file_path = fetch_data("emdb_14803.map")
+    vol = Volume.load(file_path, symmetry_group="D3")
+
+    return vol
+
+
+def emdb_3952():
+    """
+    Downloads the EMDB-3952 volume map and returns the file path.
+
+    This molecule exhibits I symmetry.
+
+    :return: A 'Volume' instance.
+    """
+    file_path = fetch_data("emdb_3952.map")
+    vol = Volume.load(file_path, symmetry_group="I")
+
+    return vol
+
+
+def emdb_22308():
+    """
+    Downloads the EMDB-22308 volume map and returns the file path.
+
+    This molecule exhibits D4 symmetry.
+
+    :return: A 'Volume' instance.
+    """
+    file_path = fetch_data("emdb_22308.map")
+    vol = Volume.load(file_path, symmetry_group="D4")
+
+    return vol
+
+
+def emdb_28025():
+    """
+    Downloads the EMDB-28025 volume map and returns the file path.
+
+    This molecule exhibits D5 symmetry.
+
+    :return: A 'Volume' instance.
+    """
+    file_path = fetch_data("emdb_28025.map")
+    vol = Volume.load(file_path, symmetry_group="D5")
+
+    return vol
+
+
+def emdb_22358():
+    """
+    Downloads the EMDB-22358 volume map and returns the file path.
+
+    This molecule exhibits D6 symmetry.
+
+    :return: A 'Volume' instance.
+    """
+    file_path = fetch_data("emdb_22358.map")
+    vol = Volume.load(file_path, symmetry_group="D6")
+
+    return vol
+
+
+def emdb_9571():
+    """
+    Downloads the EMDB-9571 volume map and returns the file path.
+
+    This molecule exhibits D8 symmetry.
+
+    :return: A 'Volume' instance.
+    """
+    file_path = fetch_data("emdb_9571.map")
+    vol = Volume.load(file_path, symmetry_group="D8")
+
+    return vol
+
+
+def emdb_10920():
+    """
+    Downloads the EMDB-10920 volume map and returns the file path.
+
+    This molecule exhibits D10 symmetry.
+
+    :return: A 'Volume' instance.
+    """
+    file_path = fetch_data("emdb_10920.map")
+    vol = Volume.load(file_path, symmetry_group="D10")
+
+    return vol
+
+
 def simulated_channelspin():
     """
     Downloads the Simulated ChannelSpin dataset and returns the file path.
diff --git a/src/aspire/downloader/registry.py b/src/aspire/downloader/registry.py
index d96536d068..7baac9038f 100644
--- a/src/aspire/downloader/registry.py
+++ b/src/aspire/downloader/registry.py
@@ -13,6 +13,13 @@
     "emdb_14621.map": "98363ae950229243131025995b5ba0486857ccb1256b3df8d25c1c282155238c",
     "emdb_2484.map": "6a324e23352bea101c191d5e854026162a5a9b0b8fc73ac5a085cc22038e1999",
     "emdb_6458.map": "645208af6d36bbd3d172c549e58d387b81142fd320e064bc66105be0eae540d1",
+    "emdb_14803.map": "sha256:10e1d3bbc11b6660c97b2ef8b654306c0a4c9a0c621386653f2464402ad1d20b",
+    "emdb_3952.map": "sha256:8367cd35fba18806b07b0461505c4588bd61ac6cdced5ebf51fa6f10e71559fa",
+    "emdb_22308.map": "sha256:2feceb32ec0cd645881e8a46957727c076a1711074e874860e94b7c0330c8201",
+    "emdb_28025.map": "sha256:64cd10920048bbd459d791523d65c20712b8fc199bdcdca1ce5cf6e0843d4364",
+    "emdb_22358.map": "sha256:b9dee4a27d92b7fe93ab6aa08087f9b4db8abc68ca553041061ad9c8cea05f54",
+    "emdb_9571.map": "sha256:e399b5a53c23e06e2384b15150ad1f9e6120a4799ea1fdfcaf213948d959bb65",
+    "emdb_10920.map": "sha256:8e08a511903d2f088b5ed69446843dad8214fa34128e513b90a3fc75cf3fa795",
     "simulated_channelspin.npz": "c0752674acb85417f6a77a28ac55280c1926c73fda9e25ce0a9940728b1dfcc8",
 }
 
@@ -30,6 +37,13 @@
     "emdb_14621.map": "https://ftp.ebi.ac.uk/pub/databases/emdb/structures/EMD-14621/map/emd_14621.map.gz",
     "emdb_2484.map": "https://ftp.ebi.ac.uk/pub/databases/emdb/structures/EMD-2484/map/emd_2484.map.gz",
     "emdb_6458.map": "https://ftp.ebi.ac.uk/pub/databases/emdb/structures/EMD-6458/map/emd_6458.map.gz",
+    "emdb_14803.map": "https://ftp.ebi.ac.uk/pub/databases/emdb/structures/EMD-14803/map/emd_14803.map.gz",
+    "emdb_3952.map": "https://ftp.ebi.ac.uk/pub/databases/emdb/structures/EMD-3952/map/emd_3952.map.gz",
+    "emdb_22308.map": "https://ftp.ebi.ac.uk/pub/databases/emdb/structures/EMD-22308/map/emd_22308.map.gz",
+    "emdb_28025.map": "https://ftp.ebi.ac.uk/pub/databases/emdb/structures/EMD-28025/map/emd_28025.map.gz",
+    "emdb_22358.map": "https://ftp.ebi.ac.uk/pub/databases/emdb/structures/EMD-22358/map/emd_22358.map.gz",
+    "emdb_9571.map": "https://ftp.ebi.ac.uk/pub/databases/emdb/structures/EMD-9571/map/emd_9571.map.gz",
+    "emdb_10920.map": "https://ftp.ebi.ac.uk/pub/databases/emdb/structures/EMD-10920/map/emd_10920.map.gz",
     "simulated_channelspin.npz": "https://zenodo.org/records/8186548/files/example_FakeKV_dataset.npz",
 }
 
@@ -47,5 +61,12 @@
     "emdb_14621.map": "emdb_14621",
     "emdb_2484.map": "emdb_2484",
     "emdb_6458.map": "emdb_6458",
+    "emdb_14803.map": "emdb_14803",
+    "emdb_3952.map": "emdb_3952",
+    "emdb_22308.map": "emdb_22308",
+    "emdb_28025.map": "emdb_28025",
+    "emdb_22358.map": "emdb_22358",
+    "emdb_9571.map": "emdb_9571",
+    "emdb_10920.map": "emdb_10920",
     "simulated_channelspin.npz": "simulated_channelspin",
 }