diff --git a/doc/OpenSTA.odt b/doc/OpenSTA.odt
index 977ee6df..3173441e 100644
Binary files a/doc/OpenSTA.odt and b/doc/OpenSTA.odt differ
diff --git a/doc/OpenSTA.pdf b/doc/OpenSTA.pdf
index f69f758b..4041c82e 100644
Binary files a/doc/OpenSTA.pdf and b/doc/OpenSTA.pdf differ
diff --git a/search/Property.cc b/search/Property.cc
index 1ec9616d..d51b5303 100644
--- a/search/Property.cc
+++ b/search/Property.cc
@@ -889,6 +889,7 @@ getProperty(const Instance *inst,
 	    Sta *sta)
 {
   auto network = sta->cmdNetwork();
+  LibertyCell *liberty_cell = network->libertyCell(inst);
   if (stringEqual(property, "name"))
     return PropertyValue(network->name(inst));
   else if (stringEqual(property, "full_name"))
@@ -899,6 +900,18 @@ getProperty(const Instance *inst,
     return PropertyValue(network->libertyCell(inst));
   else if (stringEqual(property, "cell"))
     return PropertyValue(network->cell(inst));
+  else if (stringEqual(property, "is_hierarchical"))
+    return PropertyValue(network->isHierarchical(inst));
+  else if (stringEqual(property, "is_buffer"))
+    return PropertyValue(liberty_cell && liberty_cell->isBuffer());
+  else if (stringEqual(property, "is_clock_gate"))
+    return PropertyValue(liberty_cell && liberty_cell->isClockGate());
+  else if (stringEqual(property, "is_inverter"))
+    return PropertyValue(liberty_cell && liberty_cell->isInverter());
+  else if (stringEqual(property, "is_macro"))
+    return PropertyValue(liberty_cell && liberty_cell->isMacro());
+  else if (stringEqual(property, "is_memory_cell"))
+    return PropertyValue(liberty_cell && liberty_cell->isMemory());
   else
     throw PropertyUnknown("instance", property);
 }
@@ -918,6 +931,10 @@ getProperty(const Pin *pin,
     return PropertyValue(network->pathName(pin));
   else if (stringEqual(property, "direction"))
     return PropertyValue(network->direction(pin)->name());
+  else if (stringEqual(property, "is_hierarchical"))
+    return PropertyValue(network->isHierarchical(pin));
+  else if (stringEqual(property, "is_port"))
+    return PropertyValue(network->isTopLevelPort(pin));
   else if (stringEqual(property, "is_register_clock")) {
     const LibertyPort *port = network->libertyPort(pin);
     return PropertyValue(port && port->isRegClk());
@@ -1163,10 +1180,12 @@ getProperty(Clock *clk,
     return PropertyValue(clk->period(), sta->units()->timeUnit());
   else if (stringEqual(property, "sources"))
     return PropertyValue(clk->pins());
-  else if (stringEqual(property, "propagated"))
-    return PropertyValue(clk->isPropagated());
   else if (stringEqual(property, "is_generated"))
     return PropertyValue(clk->isGenerated());
+  else if (stringEqual(property, "is_virtual"))
+    return PropertyValue(clk->isVirtual());
+  else if (stringEqual(property, "is_propagated"))
+    return PropertyValue(clk->isPropagated());
   else
     throw PropertyUnknown("clock", property);
 }