diff --git a/src/common/constants.js b/src/common/constants.js
new file mode 100644
index 0000000..4cd536e
--- /dev/null
+++ b/src/common/constants.js
@@ -0,0 +1,2 @@
+export const FILTER_MODE = 'FILTER'
+export const NARRATIVE_MODE = 'NARRATIVE'
\ No newline at end of file
diff --git a/src/components/Toolbar/FilterListPanel.js b/src/components/Toolbar/FilterListPanel.js
index 53bb31a..9c14c10 100644
--- a/src/components/Toolbar/FilterListPanel.js
+++ b/src/components/Toolbar/FilterListPanel.js
@@ -3,57 +3,73 @@ import Checkbox from '../presentational/Checkbox'
 import copy from '../../common/data/copy.json'
 
 /** recursively get an array of node keys to toggle */
-function childrenToToggle (node, activeFilters, parentOn) {
-  const isOn = activeFilters.includes(node.key)
-  if (!node.children) {
-    return [node.key]
+function childrenToToggle (filter, activeFilters, parentOn) {
+  const [key, children] = filter
+  const isOn = activeFilters.includes(key)
+  if (children === {}) {
+    return [key]
   }
-  const childKeys = Object.values(node.children)
-    .flatMap(n => childrenToToggle(n, activeFilters, isOn))
+  const childKeys = Object.entries(children)
+    .flatMap(filter => childrenToToggle(filter, activeFilters, isOn))
   // NB: if turning a parent off, don't toggle off children on.
   //     likewise if turning a parent on, don't toggle on children off
   if (!((!parentOn && isOn) || (parentOn && !isOn))) {
-    childKeys.push(node.key)
+    childKeys.push(key)
   }
   return childKeys
 }
 
+function aggregatePaths (filters) {
+  const aggregated = {}
+
+  filters.forEach(item => {
+    let currentDepth = aggregated
+
+    item.filter_paths.forEach(path => {
+      if (!(path in aggregated)) {
+        currentDepth[path] = {}
+      }
+      currentDepth = currentDepth[path]
+    })
+  })
+
+  return aggregated
+}
+
 function FilterListPanel ({
   filters,
   activeFilters,
   onSelectFilter,
   language
 }) {
-  function createNodeComponent (node, depth) {
-    const matchingKeys = childrenToToggle(node, activeFilters, activeFilters.includes(node.key))
-    const children = Object.values(node.children)
+  function createNodeComponent (filter, depth) {
+    const [key, children] = filter
+    const matchingKeys = childrenToToggle(filter, activeFilters, activeFilters.includes(key))
+
     return (
       <li
-        key={node.key.replace(/ /g, '_')}
+        key={key.replace(/ /g, '_')}
         className={'filter-filter'}
         style={{ marginLeft: `${depth * 20}px` }}
       >
-        {/* <svg width='10' height='10'> */}
-        {/*   <g className='filter-inline'> */}
-        {/*     <path d='M0,-7.847549217020565L6.796176979388489,3.9237746085102825L-6.796176979388489,3.9237746085102825Z' transform='rotate(270)' /> */}
-        {/*   </g> */}
-        {/* </svg> */}
         <Checkbox
-          label={node.key}
-          isActive={activeFilters.includes(node.key)}
+          label={key}
+          isActive={activeFilters.includes(key)}
           onClickCheckbox={() => onSelectFilter(matchingKeys)}
         />
-        {children.length > 0
-          ? children.map(filter => createNodeComponent(filter, depth + 1))
+        {Object.keys(children).length > 0
+          ? Object.entries(children).map(filter => createNodeComponent(filter, depth + 1))
           : null}
       </li>
     )
   }
 
-  function renderTree (children) {
+  function renderTree (filters) {
+    const aggregatedFilterPaths = aggregatePaths(filters)
+    console.info(aggregatedFilterPaths)
     return (
       <div>
-        {Object.values(children).map(filter => createNodeComponent(filter, 1))}
+        {Object.entries(aggregatedFilterPaths).map(filter => createNodeComponent(filter, 1))}
       </div>
     )
   }
@@ -62,7 +78,7 @@ function FilterListPanel ({
     <div className='react-innertabpanel'>
       <h2>{copy[language].toolbar.filters}</h2>
       <p>{copy[language].toolbar.explore_by_filter__description}</p>
-      {renderTree(filters.children)}
+      {renderTree(filters)}
     </div>
   )
 }
diff --git a/src/components/Toolbar/Layout.js b/src/components/Toolbar/Layout.js
index ce551f1..a2df306 100644
--- a/src/components/Toolbar/Layout.js
+++ b/src/components/Toolbar/Layout.js
@@ -197,7 +197,7 @@ class Toolbar extends React.Component {
 
 function mapStateToProps (state) {
   return {
-    filters: selectors.getFilterTree(state),
+    filters: selectors.getFilters(state),
     categories: selectors.getCategories(state),
     narratives: selectors.selectNarratives(state),
     language: state.app.language,
diff --git a/src/reducers/app.js b/src/reducers/app.js
index 7b58372..4039f8a 100644
--- a/src/reducers/app.js
+++ b/src/reducers/app.js
@@ -114,7 +114,7 @@ function toggleFilter (appState, action) {
     action.value = [action.value]
   }
 
-  let newFilters = appState.filters[action.filter].slice(0)
+  let newFilters = appState.associations.filters.slice(0)
   action.value.forEach(vl => {
     if (newFilters.includes(vl)) {
       newFilters = newFilters.filter(s => s !== vl)
@@ -125,9 +125,9 @@ function toggleFilter (appState, action) {
 
   return {
     ...appState,
-    filters: {
-      ...appState.filters,
-      [action.filter]: newFilters
+    associations: {
+      ...appState.associations,
+      filters: newFilters,
     }
   }
 }
diff --git a/src/selectors/index.js b/src/selectors/index.js
index c0806d5..d328da1 100644
--- a/src/selectors/index.js
+++ b/src/selectors/index.js
@@ -1,6 +1,7 @@
 import { createSelector } from 'reselect'
 import { insetSourceFrom, dateMin, dateMax } from '../common/utilities'
 import { isTimeRangedIn } from './helpers'
+import { FILTER_MODE } from '../common/constants'
 
 // Input selectors
 export const getEvents = state => state.domain.events
@@ -11,8 +12,8 @@ export const getSelected = state => state.app.selected
 export const getSites = state => state.domain.sites
 export const getSources = state => state.domain.sources
 export const getShapes = state => state.domain.shapes
+export const getFilters = state => state.domain.associations.filter(item => item.mode === FILTER_MODE)
 export const getNotifications = state => state.domain.notifications
-export const getFilterTree = state => state.domain.filters
 export const getActiveFilters = state => state.app.associations.filters
 export const getActiveCategories = state => state.app.associations.categories
 export const getTimeRange = state => state.app.timeline.range